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Feedback Eliminators

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HD400_Thumb.jpg

HD400
$33.99
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Behringer
Ultra-Compact 2-Channel Hum Destroyer

Whether you're recording or performing, it's important to keep AC hum out of the mix. No matter the quality of the venue's wiring, the BEHRINGER HD400 Hum Destroyer eliminates AC hum quickly and reliably.

Mighty Hum Hunter
The HD400 features two channels that can eliminate hum in two mono signals or one stereo signal. Try putting it between a stereo mixer and your power amps for a squeaky-clean sound free of AC hum. It breaks ground loops safely while maintaining the highest sound quality. It can even convert unbalanced signals into balanced without any signal degradation.

A Hum Killer of a Deal
This incredibly handy piece of gear is small enough to ride to the gig in your pocket. Pick up a HD400 today and make AC hum a thing of the past.

Features:
  • Removes AC hum and noise - fast, easy and reliable
  • Breaks ground loops safely, while keeping highest sonic quality
  • 2 independent channels for 2 mono or 1 stereo signal
  • Automatically converts unbalanced to balanced signals without signal loss
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
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HE-1
$39.99
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Nady

HE-1

Hum eliminator

Features:

  • Easily eliminates AC hum (60Hz/120Hz buzz) with up to 20dB of attenuation
  • Breaks grounds loops safely while leaving all signal grounds intact
  • Converts automatically back and forth between balanced and unbalanced lines at either end
  • Dual Channel I/O with ¼” TRS jacks
  • Completely passive design with quality components assures best possible noise/distortion-free performance
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CLEANBOX-2
$55.00
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ART
CLEANBOX-2

Hum Eliminator

"Hum" in an audio system is often caused by loop effects which act like antennas. These loops can easily pick up a 60 Hz (or higher harmonics) hum transmitted by electrical wiring. Typically, these loops are connected via grounds, more commonly called "ground loops". The safest way to eliminate unwanted noise is with the CleanBOX II. Some examples of Ground Loops:
  • The power ground of a synthesizer, connected to the signal ground of the synth, into a mixer's ground, then into a mixer's power ground.
  • The signal ground of a send effect (reverb, delay) into a mixer, and the connecting power grounds of the mixer and the unit.
  • The power ground of a guitar amplifier, connected to a signal processor which has a second guitar amplifier on the other channel, and then the second guitar amp's power ground.
  • The CleanBOX II easily removes ground loops without any signal degradation.
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DTI
$60.00
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ART
DTI

Dual Transformer/Isolator

The DTI (Dual Transformer/Isolater) is a high quality totally passive audio interface that uses a pair of high performance transformers to totally separate input and output signal grounds, thereby isolating two systems and reducing hum and ground-loop noise. The DTI's audio transformers have an extremely flat and wide frequency response and can handle high signal levels while maintaining an isolated balanced output. This gives the DTI a very clean and neutral sound with a wide variety of signal sources. The transformers are wound for 1:1 unity gain and are designed to be used with impedances from 600 Ohms to 100k Ohms.

What further sets the DTI apart from other lesser isolation boxes is its connection versatility. We have provided XLR, 1/4" phone, and RCA type phono connections on all inputs and outputs. This allows it to easily fit into virtually any audio system and be the clean patch point between all types of systems.

Whether you need an interface between a computer based audio workstation and your monitor system, isolation on long cable runs in a fixed installation, isolation of a signal source from your recording equipment, or in many cases, just a safer connection between two audio systems, the DTI can accommodate.

The compact black anodized all aluminum case and it's passive design allow the DTI to provide years of trouble free service in Live Sound, Permanent/Fixed Install, D.J., and virtually any PA application. It's full feature set, rugged construction, and high-end specifications make the DTI the obvious choice.
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HE18 Buzz Off
$60.00
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Rolls
HE18 Buzz Off

The HE18 is a two channel audio hum and buzz remover. Everyone knows how annoying it is to have 60 cycle hum in your sound. Now you can eliminate virtually all ground hum and buzz by simply inserting the HE18 into the audio path. Plus, the unit will convert an unbalanced signal into a balanced signal, and vice-versa. This greatly improves overall noise performance.

Features:
  • Eliminates ground loop hum and buzz.
  • Leaves signal grounds connected.
  • Passive, the unit requires no power.
  • Converts balanced lines to unbalanced lines and vice-versa.
  • Adjusts signal voltages to match difference in ground potential.
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FBQ800
$64.99
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Behringer
Ultra-Compact 9-Band Graphic Equalizer with FBQ

Why do I need an equalizer?
If we all lived in a perfect world, there would be no need for audio equalization. Sound systems would be perfect and would reproduce perfect signals in all their glorious perfection. Also, everyone in that perfect world would like the same amount of bass, midrange and high frequency, and there would be no such thing as feedback. But the world isn’t perfect, is it? Even the best sound system can benefit from the use of a good EQ—like the FBQ800.

How Does it Work?
Imagine the frequency range of the sound you hear as a highway, a very wide one with nine lanes. Each of these “lanes” represents a single octave of the sonic spectrum. The first four lanes, labeled 63 - 500 (Hz) contain the really low frequency sound content, mainly bass, bass vocals, and the kick and tom drums. The three lanes labeled 1 k, 2 k and 4 k (Hz), make up the fundamental zone of most musical instruments and the male and female vocals. 8 k and 16 k cover the frequency range of cymbals, snare drums and higher pitched percussion instruments. The FBQ800 allows you to control the flow of audio traffic in each of these nine lanes. When properly applied, EQ makes it possible to hear all of these frequency ranges equally, thus the term equalization.

Feedback Elimination
When a specifi c frequency, or range of frequencies, reaches too high a level, feedback occurs—that all-too-familiar squeal or howl you get when the mic is too close to the speaker. Basically, feedback happens when there is so much of a particular frequency that it is picked up by the mic and run through the system again. That’s why feedback typically gets louder and louder the longer it’s allowed to occur. Needless to say, this kind of feedback is very undesirable.

This is where the FBQ800’s Feedback Detection System really works its magic. In this ingenious circuitry, LEDs on the individual faders light up when that frequency band is approaching the danger zone. All you need do is lower the illuminated slider until the LED blinks out—voilà, feedback problem solved! What once required a highly trained ear is now an activity that even a child can master.

Sonic Toolkit
That really is the best way to describe the FBQ800. With its nine frequency bands, you easily fine-tune your sound and instantly eliminate feedback. And each fader can be used to boost or cut the frequency range it controls by as much as 12 dB (and that’s a lot!).

Special attention is paid to the low frequency zone. In addition to low frequency faders, the FBQ800 features a Low Cut fi lter for removing unwanted low frequencies such as fl oor rumble, room resonance, electrical hum, etc. This is especially handy if your system is being used for speech rather than music.

To Boost or to Cut, That is the Question
Raising and lowering specific frequency bands can improve the frequency response of any room’s acoustics. For instance, if the room you’re in is “bass-heavy,” lowering the 63 and 125 Hz faders can help eliminate an overall “boomy” or “muddy” sound. Likewise, gently boosting the 8 and 16 k sliders can add sparkle to a somewhat “dark” mix. Are the vocals getting lost in the mix? Raising the level of the 1 k slider can help bring them out.

It’s important to note that raising a single fader level is not always the best solution; it’s often better to lower the bands surrounding the frequency you want to bring out, and then boost the overall volume level to achieve better headroom.

Built for Accuracy and Reliability
Speaking of headroom, FBQ800’s 6-digit LED Input/Output meters and level control are provided for precise level maintenance. Longterm reliability is ensured, thanks to high-quality illuminated faders and switches, and our ultra low-noise audio operational amplifi ers provide outstanding sonic performance. In addition, all Mini Series components may be stacked to create an ultracompact signal processing solution.

Features:
  • Ultra-compact 9.5" graphic equalizer for studio and stage applications
  • Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as Audio Analyzer
  • Additional Low-cut filter removes unwanted frequencies, e. g. floor rumble
  • Accurate 6-segment LED input/output meters and Level control for precise level indication
  • High-quality illuminated faders, potentiometers and illuminated switches for long-term reliability
  • Ultra-low noise audio operational amplifiers offer outstanding sound performance
  • All Mini Series models can be stacked on top of each other to create an ultra-compact signal processor solution
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
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CLEANBOXPRO
$65.00
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ART
CLEANBOXPRO

Dual Channel Level Converter

The CLEANBoxPro provides two channels of unbalanced to balanced level conversion and two channels of balanced to unbalanced level conversion in a rugged, compact, and portable unit. Balanced lines offer increased immunity to external electrical noise, such as hum. Since a balanced system minimizes induced noise, it is the preferred method of connecting audio gear, especially when long lengths of cable are used.

One section of the CLEANBoxPro converts two channels of consumer-level unbalanced input signals into two channels of pro line-level balanced output signals. It has two RCA jack inputs and a stereo mini-phone jack input connected in parallel. The balanced output feeds two XLR male jacks.

The other section of the CLEANBoxPro converts two channels of line-level balanced input signals into two channels of consumer unbalanced output signals. It has two XLR female input jacks. The unbalanced output feeds two RCA jacks and a stereo mini-phone jack connected in parallel.

Each section has stereo level controls to optimize signal levels. An LED indicator lights when power is applied.

The CLEANBoxPro can be an invaluable tool in application areas including (but not limited to!): home or professional recording studios, live sound, PA, permanent installs, DJ, AV, consumer HiFi, podcasting and broadcasting. The CLEANBoxPro can be used with: mixers, audio processors, laptop computers, computer sound cards, CD/DVD players, video gaming machines, MP3 player/recorders, powered monitors and digital audio workstations.

Features:
  • XLR connectors for balanced inputs and outputs
  • RCA phono jacks and stereo 1/8" mini-phone jacks for unbalanced inputs and outputs
  • Unbalanced output level control
  • Balanced output level control
  • Rugged extruded aluminum case
  • Lighted On/Off switch
  • Comes with external power supply for operation with AC mains
  • Low noise, low distortion circuitry
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HEM-331
$72.00
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Hosa
Hum Eliminator for Audio, Dual 1/4 in TS to Dual 1/4 in TRS
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FBQ100
$89.99
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Behringer
Automatic Feedback Destroyer with Integrated Microphone Preamp, Delay Line, Noise Gate and Compressor

Looking for feedback control? Maybe you need a compression or noise gate? Or a great DI box for line-level instruments? Whether you use it with microphones, acoustic instruments, or as a delay line for large venue loudspeaker systems, the FBQ100 is a “must-have” for your live and studio toolkit.

Quick and Clean
Thanks to its intelligent “Learn Mode,” the FBQ100 can automatically equalize your PA and protect your sound system from feedback. BEHRINGER’s search algorithm ensures feedback frequencies are attenuated within a fraction of a second, using narrow 1/60 octave single-shot filters. The remaining filters automatically take action as required, adjusting only the specific frequencies causing the feedback, so your music stays powerful and alive.

Beyond Versatile
The adjustable mic preamp, with switchable +48 V phantom power and Ultra-Low Noise technology, guarantees noise-free, ultra-musical sound. You can choose professional studio (+4 dB) or microphone output level, so the FBQ100 can be directly connected to the mic input of a recording device. Virtually any type of signal can be connected and converted.

Delay lines are required to compensate for time variations resulting from speaker positioning in large venues. The FBQ100’s delay can be adjusted in meters, feet or milliseconds. The maximum delay time of 2.5 seconds corresponds to a distance of 850 meters. Combining several FBQ100s with the optional rack-mount kit puts a complete professional loudspeaker management system at your fingertips.

Features:
  • High performance single channel Feedback Destroyer with integrated microphone preamp, delay line, noise gate and compressor
  • Automatically and "intelligently" locates and destroys up to 8 feedback frequencies
  • Narrow FBQ filters for extremely effective feedback suppression, while keeping highest sonic quality
  • Ultra-low noise Mic/Line input with Gain control and +48 V phantom power
  • Delay line with up to 2.5 seconds of delay, adjustable in meters, feet and msec
  • Noise gate with automatic and manual parameter settings
  • Automatic compressor with variable density
  • Subsonic filter with adjustable cut-off frequency
  • Balanced inputs and servo-balanced outputs with ¼'' TRS and gold-plated XLR connectors
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
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FS-4N
$89.99
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Nady
FS-4N

Analog Sound Processors

Features:
  • Four extremely narrow (1/60 octave) notch filters, each independently adjustable from 60 to 6,000 Hz, allow quick elimination of unwanted problem frequencies without affecting integrity of overall sound
  • A control for adjusting notch depth on each filter enables precise attenuation (up to -20 dB) at each selected frequency
  • Push button bypass switches all four notches in and out simultaneously for fast monitoring of results during use
  • ¼” TRS balanced jacks for both Signal In/Out
  • In-line 8-band audio spectrum analyzer LED display enables quick identification of frequency range of any problem frequency; facilitates immediate reaction and suppression by operator
  • Internal shielded power supply with external fuse and ~115V (60Hz) / ~230V (50Hz) AC select switch
  • Single rack space (1U) rugged metal housing for reliability
  • IEC power cord socket for AC operation and screw terminals for optional +24 VDC input powering
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DSP1124P
$108.99
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BEHRINGER
24-Bit Dual Engine Digital Feedback Suppressor / Parametric EQ

Once your stage is perfectly set up and carefully equalized, keep it free from feedback with the FEEDBACK DESTROYER PRO DSP1124P. Within a fraction of a second, the Feedback Destroyer Pro's ingenious search algorithm locates and removes feedback frequencies, without destroying the integrity of your signal.

All Sound, No Feedback
Once the DSP1124P locates feedback frequencies, it sets extremely narrow notch filters to eliminate the selected frequencies, leaving the remainder of the signal virtually untouched. The unit's various modes allow you to remove feedback from any live sound situation, or creatively shape your sound with 24-bands of fully parametric equalization.

Modus Operandi
The DSP1124P uses 24-bit A/D (analog to digital) and D/A converters, and a 24-bit high speed DSP for processing functions. The unit can function in Single Shot, Manual and Auto Mode. Single Shot mode automatically searches and removes feedback, locking the filter until it is reset manually. Manual mode enables you to use 2 x 12 fully parametric filters including frequency, bandwidth and gain. Auto mode continuously monitors the mix, resetting programmed filters automatically. Single Shot, Auto and Manual modes are assignable for each filter.

The Ins and Outs
The DSP1124P features servo-balanced inputs and outputs on gold plated XLR and 1/4" TRS connectors, accurate eight-segment LED meters, and "future proof" software upgradeable architecture.

Preserve Your Sound
For ultra low-noise sound that's clear of feedback, the DSP1124P is an easy, effective and highly affordable audio solution. Check one out today at your local BEHRINGER dealer and find out how it can protect your sound from feedback.

Features:
  • Ultra-high performance 2-channel digital feedback suppressor / parametric EQ
  • Automatically and “intelligently” locates and destroys up to 12 frequencies per channel
  • “Set-and-forget” default setting enables immediate and super-easy performance
  • 2 x 12 fully programmable parametric filters that can be set manually or via MIDI
  • Auto mode continuously monitors the mix, resetting programmed filters automatically
  • Single-shot mode automatically detects and destroys feedback and locks the filter until you reset it manually
  • Manual mode allows individual setting of up to 2 x 12 fully parametric filters with frequency, bandwidth and gain adjustment
  • 2 digital processing engines provide independent or coupled functions on left and right channels
  • Extensive MIDI implementation and user preset memories for storing and instantly recalling programs
  • Accurate eight-segment LED level meters for perfect level setting and optimum performance
  • Servo-balanced, gold-plated XLR and 1/4" TRS connectors
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
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FBQ1502
$108.99
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BEHRINGER
Audiophile 15-Band Stereo Graphic Equalizer with FBQ Feedback Detection System

The ULTRAGRAPH PRO FBQ1502 is a professional, ultra-musical 15-band stereo graphic equalizer that brings the best parts of your sound to the forefront while eliminating feedback.

All the Good Stuff
The FBQ1502 features the amazing, FBQ Feedback Detection System that instantly detects feedback frequencies and can also be used as an audio analyzer, making the FBQ1502 a welcome addition to any touring rack. Another FBQ1502 highlight is its dedicated mono subwoofer output with adjustable crossover frequency that lets you add some extra punch to your music.

Pure, Musical Sound
This incredible rack unit goes the extra mile to make sure you sound your best. An additional low cut filter removes unwanted frequencies such as floor rumble, while a highly accurate 4-digit LED output metering and input gain control let you easily adjust levels. High-quality components abound, such as the ultra low-noise audio operational amplifiers for outstanding sound performance and the servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors. Outstanding reliability is guaranteed with the high-quality illuminated faders, detent potentiometers and illuminated switches.

The ULTRAGRAPH PRO FBQ1502 puts all your music's best attributes in the spotlight, letting your creativity come alive in full swing. Find out what it can do for your sound at your nearest BEHRINGER dealer.

Features:
  • Professional 15-band stereo graphic equalizer for live and studio applications
  • Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer
  • Dedicated mono subwoofer output with adjustable crossover frequency
  • Additional low-cut filter removes unwanted frequencies, e.g. floor rumble
  • Highly accurate 4-segment LED output metering and input gain controls for easy level setting
  • Ultra-low noise audio operational amplifiers for highest signal integrity
  • Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors
  • Shielded toroidal power transformer for ultra-low noise performance
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
FBQ1000_Thumb.jpg

FBQ1000
$109.99
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Behringer
Automatic and Ultra-Fast Feedback Destroyer/Parametric EQ with 24 FBQ Filters

The FBQ1000 Feedback Destroyer is the fastest feedback suppressor on the market, with a response time of less than 0.2 seconds. Whether you use it to kill feedback dead in its tracks for your mains and/or monitors, or as a sophisticated parametric equalizer to fine-tune the acoustics of your next gig, the FBQ1000 will bring a new level of finesse to your sound. And if you use in-ear-monitors, the FBQ1000 is a must-have to protect your most valuable assets—your ears!

One Smart Solution
Using an ultra-fast feedback detection algorithm, the FBQ1000 automatically and “intelligently” locates up to 12 feedback frequencies per channel. The algorithm then sets extremely narrow notch filters (up to 1/60th of an octave) to “destroy” feedback frequencies, leaving the remainder of your signal virtually untouched. And with the “Set-and-Forget” default setting, your Feedback Destroyer can be up and running in a matter of seconds.

Ease of Operation
The Auto Mode continuously monitors the mix, resetting programmed filters automatically to eliminate the slightest hint of feedback, without you having to do anything at all. It just doesn’t get much easier than that! If you prefer a more “hands-on” approach, the Manual Mode allows you to program up to 24 fully parametric filters (with frequency, bandwidth and gain controls) to optimize your sound to the room’s acoustics.

Be Prepared
The FBQ1000 is the quick and easy way to protect yourself and your audience from live sound’s #1 enemy—feedback! Plus it’s rack-mountable and ultra-affordable. With the FBQ1000's various modes, you can master virtually any live sound situation or use the unit as a creative sound-shaping tool. A single FBQ1000 can protect you from feedback in both your mono PA mains and a monitor mix. Check one out at your nearest BEHRINGER dealer today. Your ears and your audience will thank you.

Features:
  • High-performance 2-channel Feedback Destroyer and Parametric EQ
  • Automatically and "intelligently" locates and destroys up to 24 frequencies
  • Ultra-narrow FBQ filters for extremely effective feedback suppression, while keeping highest sonic quality
  • "Set-and-forget" default setting enables immediate and super-easy Feedback Destroyer performance
  • Auto mode continuously monitors the mix and automatically sets filters
  • Single-Shot mode automatically detects and destroys feedback plus locks the filter until you reset it manually
  • Manual mode allows setting of up to 24 fully parametric filters with individual frequency, bandwidth and gain parameters
  • Extensive MIDI implementation and user preset memories for instant program recalls
  • Balanced inputs and servo-balanced outputs with ¼'' TRS and gold-plated XLR connectors
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
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HEM-462
$119.99
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Hosa
Hum Eliminator for PC, Dual RCA to Dual XLR3M
FBQ3102_Thumb.jpg

FBQ3102
$142.99
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Behringer
Audiophile 31-Band Stereo Graphic Equalizer with FBQ Feedback Detection System

Enjoy the limelight with the ULTRAGRAPH PRO FBQ3102, a professional 31-band stereo graphic equalizer for both live and studio applications. Its amazing FBQ Feedback Detection System instantly detects feedback frequencies and can also be used as an audio analyzer, making the FBQ3102 a welcome addition to every touring setup. Adding some extra oomph to your music is made easy with the dedicated mono subwoofer output with adjustable crossover frequency. You can effortlessly remove unwanted frequencies such as floor rumble and tape hiss by utilizing the additional sweepable high and low cut filters for each channel, and level setting is a snap with the highly accurate 12-digit LED input/output metering and input gain control.

Those in the know will appreciate the FBQ3102’s uncompromising components such as the ultra low-noise audio operational amplifiers that provide outstanding sound performance, or the servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors. You can expect unmatched reliability and longevity because high-quality illuminated faders, detent potentiometers and illuminated switches were designed for the rigors of every-day use. With its comprehensive features and quality craftsmanship, the FBQ3102 will never leave you sailing on thin ice.

Features:
  • Professional 31-band stereo graphic equalizer for live and studio applications
  • Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer
  • Dedicated mono subwoofer output with adjustable crossover frequency
  • Additional sweepable high and low-cut filters for each channel remove unwanted frequencies, e.g. floor rumble, hiss etc.
  • Highly accurate 12-segment LED input/output metering and input gain controls for easy level setting
  • Ultra-low noise audio operational amplifiers for highest signal integrity
  • Relay-controlled hard-bypass with an auto-bypass function during power failure (failsafe relay)
  • Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors
  • Shielded toroidal power transformer for ultra-low noise performance
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
FBQ2496_Thumb.jpg

FBQ2496
$163.99
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Behringer
Automatic and Ultra-Fast Feedback Destroyer/Parametric EQ with 40 FBQ Filters and 96 kHz Audio Performance

The FBQ2496 Feedback Destroyer PRO is the fastest feedback suppressor on the market (less than 0.2 seconds) and the only one to offer a 96 kHz sampling rate. This rack-mountable audio solution is the quick, easy way to protect yourself and your audience from feedback.

One Smart Solution
Using an ultra-fast feedback detection algorithm, the FBQ2496 automatically and “intelligently” locates up to 20 feedback frequencies per channel. The algorithm then sets extremely narrow notch filters (up to 1/60th of an octave) to “destroy” feedback frequencies, leaving the remainder of your signal virtually untouched. And with the “Set-and-Forget” default setting, plus the Panic button, your FEEDBACK DESTROYER can be up and running in a matter of seconds.

Ease of Operation
The Auto Mode continuously monitors the mix, resetting programmed filters automatically, while the Manual Mode allows individual programming of up to 40 fully-parametric filters with frequency, bandwidth and gain adjustment. Open MIDI architecture makes future firmware updates and flexible communication with digital equipment exceedingly simple.

Be Prepared
With the FBQ2496's various modes, you can master just about any live sound situation or use the unit as a creative sound-shaping tool. A single FBQ2496 can protect you from feedback in both your mono PA mains and a monitor mix. And the FBQ2496 is more than just handy—it's affordable! Check one out today at your nearest BEHRINGER dealer. Your ears and your audience will thank you.

Features:
  • Ultra-high performance 2-channel 24-bit/96 kHz Feedback Destroyer and Parametric EQ
  • Automatically and "intelligently" locates and destroys up to 40 feedback frequencies
  • Ultra-narrow FBQ filters for extremely effective feedback suppression, while keeping highest sonic quality
  • Panic button immediately takes action in feedback emergency situations
  • "Set-and-forget" default setting enables immediate and super-easy Feedback Destroyer performance
  • Auto mode continuously monitors the mix and automatically sets filters
  • Single-shot mode automatically detects and destroys feedback and locks filters until they are reset manually
  • Ultra-high resolution 24-bit/96 kHz A/D and D/A converter plus 32-bit DSP for ultimate audio performance
  • Extensive MIDI implementation and user preset memories for instant program recalls
  • Balanced inputs and servo-balanced outputs with ¼'' TRS and gold-plated XLR connectors
  • Internal switch-mode power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient response plus lowest possible power consumption for energy savings
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
FBQ6200_Thumb.jpg

FBQ6200
$196.99
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Behringer
Audiophile 31-Band Stereo Graphic Equalizer with FBQ Feedback Detection System

The flagship of the entire FBQ series, the ULTRAGRAPH PRO FBQ6200 is an ultra-musical 31-band stereo graphic equalizer that goes the distance to offer a maximum in performance and flexibility in both live and studio applications. Start with the forward-looking, FBQ Feedback Detection System that instantly reveals feedback frequencies and also can be used as an audio analyzer. A whole battery of superb features makes the FBQ6200 score high on the ease-of-use scale: dedicated limiters with gain reduction meters for each channel protect your sound system from overload and distortion, and a pink noise generator provides test signals for equalizing your sound system to any room acoustics. A mono subwoofer output with dedicated level control and adjustable crossover frequency gives your music some extra verve.

Additional sweepable high and low cut filters for each channel remove unwanted frequencies such as floor rumble and tape hiss. Level setting is no sweat thanks to the highly accurate 8-digit LED input/output metering and input gain control. Top-drawer components such as the ultra low-noise audio operational amplifiers, servo balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors and the relay-controlled hard-bypass with an auto-bypass function offer outstanding audio performance.

Expect reliability in the long run with the high-quality illuminated 45-mm faders, detent potentiometers and illuminated switches. Any way you look at it, the FBQ6200 has all the right stuff to become a welcome addition to your touring rack.

Features:
  • Audiophile 31-band stereo graphic equalizer for live and studio applications
  • Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer
  • Dedicated Limiters with gain reduction meters for each channel protect your sound system from overload and distortion
  • Pink noise generator provides test signals to adapt your sound system to any room acoustics
  • Mono subwoofer output with dedicated level control and adjustable crossover frequency
  • Additional sweepable high and low-cut filters for each channel remove unwanted frequencies e.g. floor rumble, hiss etc.
  • Highly accurate 8-segment LED input/output metering and input gain controls for easy level setting
  • Ultra-low noise audio operational amplifiers for highest signal integrity
  • Relay-controlled hard bypass with an auto-bypass function during power failure (failsafe relay)
  • Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors
  • Shielded toroidal power transformer for ultra-low noise performance
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
AFS-224_Thumb.jpg

AFS 224
$329.95
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DBX
Advanced Feedback Suppression Processor

The AFS 224 Advanced Feedback Suppression processor was designed to provide state-of-the art feedback elimination processing, while maintaining a simple and intuitive control interface. From the powerful DSP module to the no-nonsense user interface, the AFS 224 provides all the processing and control necessary for both installation and live use. The AFS 224 is an absolute must for any live sound application.

Ten and twelve filter feedback elimination processors have become the de facto standard, but the engineering staff at dbx have never been quite content residing in the neighborhood of the status quo. So, to raise the bar once again, they went out and developed a dedicated feedback suppression processor that offers up to 24 filters per channel with filter Qs up to 1/80 of an octave. To achieve these staggering numbers dbx utilized their patent-pending AFS technology that had previously only been available in the upper echelon line of products and made it available in this stand-alone processor, which takes all of the guesswork out of feedback removal. In addition to the plethora of feedback suppression filters available, the AFS 224 also offers selectable modes, live filter lift, and types of filtration, which are all readily available via the intuitive user interface front panel.

Features:
  • dbx's Patent-pending (Advanced Feedback Suppression) AFS™ technology
  • 24 Programmable Filters per Channel
  • Stereo or Dual Independent Channel Processing
  • Live and Fixed Filter Modes
  • Selectable Filter Lift Times
  • Application-specific filter types include: Speech and Music Low, Med and High
  • Input channel Metering
  • 24 LED per Channel Filter Metering
  • XLR and TRS Inputs and Outputs
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DFR22
$672.00
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Shure
Audio Processor
Two Channels. A Powerful Processor. The Shure DFR has quickly become the industry standard for effective feedback reduction. The DFR22 builds on that reputation to provide an affordable full-featured 2x2 audio processor with drag-and-drop software.

The DFR22 is ideal for installed sound reinforcement applications, such as houses of worship, theaters, and meeting facilities.

DFR22 is also a powerful setup tool in live music applications. Using the DFR22?s drag-and-drop graphical user interface, processors can be placed anywhere in the signal path.

Features:
  • DFR Automatic Feedback Reduction
  • Parametric and Graphic Equalizers
  • Cut/Shelf Equalizer
  • Compressors/Limiters
  • Automatic Gain Control
  • Gate/Downward Expander
  • Ducker
  • 2-Way Crossover
  • Subwoofer Processor
  • Splitter
  • Delay Processors
  • 2x2 Matrix Mixer
 

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