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Behringer FBQ800 Ultracompact 9-Band Graphic Equalizer with FBQ Feedback Detection System

BH #BEFBQ800V2 • MFR #0821-ACK86-US1
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Behringer FBQ800 Ultracompact 9-Band Graphic Equalizer with FBQ Feedback Detection System
Key Features
  • For Live and Studio Applications
  • Intuitive 9-Band Graphic EQ
  • FBQ Feedback Detection System
  • Ultralow-Noise Op Amps
Dial in your best sound with the Behringer FBQ800, an ultracompact 9-band graphic equalizer that's equipped with the remarkable FBQ Feedback Detection system that instantly reveals critical frequencies and can also be used as an audio analyzer in the studio or on stage. The FBQ800 features ultralow noise operational amplifiers for outstanding sound performance.
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Behringer FBQ800 Overview

Dial in your best sound with the Behringer FBQ800, an ultracompact 9-band graphic equalizer that's equipped with the remarkable FBQ Feedback Detection system that instantly reveals critical frequencies and can also be used as an audio analyzer in the studio or on stage. The FBQ800 features ultralow noise operational amplifiers for outstanding sound performance.

At a Glance
  • Ultracompact 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
  • Ultralow noise audio operational amplifiers offer outstanding sound performance
  • All Mini Series models can be stacked on top of each other to create an ultracompact signal processor solution
Feedback Elimination
When a specific 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. 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. With its remarkable 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 and your feedback problem is solved.
Sonic Tool Kit
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. Special attention is paid to the low-frequency zone. In addition to low-frequency faders, the FBQ800 features a low-cut filter for removing unwanted low frequencies such as floor rumble, room resonance, electrical hum, etc. This is especially handy if your system is being used for speech rather than music.
Boost or Cut?
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 I/O meters and level control are provided for precise level maintenance. Long-term reliability is ensured, thanks to high-quality illuminated faders and switches, and Behringer's ultralow-noise audio operational amplifiers provide outstanding sonic performance. In addition, all Mini Series components can be stacked to create an ultracompact signal processing solution.
UPC: 644216663408

Behringer FBQ800 Specs

Inputs/Outputs
Audio I/O
2x 1/4" TRS Input
2x RCA TS Input
2x 1/4" TS Output
2x RCA TS Output
Impedance
Input
Balanced: 20 Kilohms
Unbalanced: 10 Kilohms

Output
Unbalanced: 120 Ohms
Input Level
+15 dBu
Maximum Output Level
+15 dBu
CMRR
40 dB Typical (at 1 kHz)
Specifications
Frequency Response: 10 Hz to 200 kHz, -3 dB
Dynamic Range: 110 dB, 10 Hz to 22 kHz
Distortion: 0.003% Typically at 0 dBu
Crosstalk: < 80 dBu at 1 kHz
Signal-to-Noise Ratio: < 95 dB at 10 Hz to 22 kHz, 0 dBu, A-Weighted

Type: 9 Analog Stereo Bands
Control Range: +6 dB or +12 dB, Switchable
Bandwidth: 1 Octave
Low-Cut Filter: 75 Hz (12 dB/Octave)
Input level Control: -12 to +12 dB
Power
Power Source
DC Input (Included)
AC Input Power
120 VAC, 60 Hz
DC Input Power
9 VDC at 750 mA
Power Consumption
7 W
Physical
Mounting
Side: 2x Rack Ears
Color
Silver
Dimensions
9.6 x 4.7 x 1.9" / 243 x 120 x 48 mm
Weight
0.86 lb / 0.39 kg
Packaging Info
Package Weight
1.845 lb
Box Dimensions (LxWxH)
15.8 x 7.6 x 4.1"

Behringer FBQ800 Reviews

Just What I Needed for High-Mileage Ears

By Eric
Rated 5 out of 5
Date: 2026-05-05

I've been using this now for about 2 weeks, and it is exactly what I needed. I've lost pretty much everything above 6kHz and music hasn't sounded "right" for a while, regardless of equipment or speaker setup. It has been decades since I've used an equalizer, but I figured it couldn't hurt to try one again so I ordered this from B&H. It's only $78, so my expectations were low. First, it's not impressive out of the box. Very lightweight and doesn't feel expensive. Nobody is going to unpack this and have a "wow" reaction, it just doesn't feel substantial. Also, there's no manual, and the scan symbol on the box goes to a dead webpage, so that didn't work, but B&H includes a link to a downloadable manual so grab that. Functionally, I love it. If there's any noise added to the chain I can't hear it. I have mine between an Onkyo C-30 CD player and a Peachtree Grand Integrated amp, running into Wilson Benesch Arc speakers. Midrange frequencies seem to give me headaches and bother my tinnitus, so I scooped the mids and now my ears are happy and music sounds like music again, rather than music under a blanket of glare. Best summary is to say that I would buy this all over again. Very happy, especially for only $78.

See any errors on this page?

Is that FBQ IN button a bypass?

Is that FBQ IN button a bypass?
Asked by: LUIZ
The FBQ button on the Behringer Compact 9-Band Graphic Equalizer is a feedback suppressor.
Answered by: Daniel O
Date published: 2024-10-08

Will the FBQ switch automatically take out ...

Will the FBQ switch automatically take out feedback, or do you make adjustments THEN apply the FBQ switch for fine tuning?
Asked by: Reave
When using the Behringer Compact 9-Band Graphic Equalizer with FBQW, as feedback is starting to occur on one of the frequencies, the corresponding slider that controls the frequency will start to light up red—you would need to manually bring down that slider until the red light goes away, and thus, taking away the feedback.
Answered by: Michael S
Date published: 2024-10-29

Will this unit work with the Yamaha R-S202 ...

Will this unit work with the Yamaha R-S202 receiver?
Asked by: Paul
Yes, the Behringer FBQ800 Ultracompact 9-Band Graphic Equalizer with FBQ Feedback Detection System can be used with the Yamaha R-S202 Stereo Receiver.
Answered by: Lisa S
Date published: 2025-01-12
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