Behringer FBQ3102 Ultragraph Pro
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Behringer
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ULTRAGRAPH PRO: a rack classic, here in the "HD" version
The ULTRAGRAPH PRO FBQ3102HD continues the legacy of stage graphic equalizers designed to quickly and effectively solve room, system, and microphone issues. This "HD" version retains the DNA of the ULTRAGRAPH PRO line: very detailed control over the spectrum and a decidedly practical approach, with the major advantage of the FBQ system to speed up work and increase confidence in feedback-sensitive setups.
An equalizer tailored for sound reinforcement, useful in the studio when you need to get straight to the point
In live settings, the FBQ3102HD is ideal for tuning a front-of-house system, cleaning up stage monitors, and taming room resonances without degrading musicality. In the studio, it becomes an effective tool for quick adjustments on a stereo bus or already recorded sources when you're seeking a very clear "fader-style" correction. Its use does not add unnecessary complexity: identify, correct, listen.
FBQ: feedback detection and spectrum reading for faster adjustment
Instant detection of feedback frequencies
The FBQ system immediately identifies frequencies causing feedback. The result: you can precisely adjust the affected band, limit excessive cuts, and preserve headroom before feedback, with a cleaner approach than approximate equalization.
Built-in spectrum analyzer via FBQ
In addition to feedback detection, the FBQ can be used as a spectrum analyzer: a real advantage for visualizing the overall frequency balance, spotting overloaded areas (boomy bass, muddy low-mids, harsh highs), and confirming your decisions by ear. This is a valuable time saver during performances and a supportive tool in studio environments.
Technical specifications
| Category | equalizer |
| Number of channels | 2 |
| EQ | 31 channels |
| Rack unit | 2 |
| Live sound reinforcement | front-of-house, monitors, room correction |
| Studio | stereo correction and quick adjustments on sources/buses |
Questions frequently asked
Does the Behringer FBQ3102 Ultragraph Pro help eliminate feedback?
The FBQ system immediately identifies feedback frequencies. Targeted adjustment of the affected band helps reduce excessive cuts and preserve headroom before feedback.
How many equalization bands are available?
With 31 equalizer bands per channel, this equalizer offers detailed spectrum control. It features 2 channels for stereo processing. Each band is adjusted directly via a fader for clear corrections.
What rack space is required for the FBQ3102HD?
The 2U rack format allows integration into a control room, front rack, or monitoring system.
Can it be used to EQ stage monitors and main PA?
For live sound, the 2 channels can be used for main PA or stage monitors. The 31 bands facilitate correction of room resonances and problematic frequency areas.
Can the FBQ be used as a spectrum analyzer?
The spectrum analyzer uses the FBQ system to visualize the overall frequency balance. It helps identify booming bass, muddy low-mids, or harsh highs.



