dbx 2231

2-Channel 31-Band Graphic EQ with Type III Noise Reduction and Limiter
dbx 2231 image 1
dbx 2231 image 1
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dbx 2231
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Smooth Graphic EQ with Type III Noise Reduction!

It's amazing! One little button makes such a huge difference! dbx Type III Noise Reduction is an entirely new concept-virtually instantaneous encode/decode within the circuitry of the box. Fortunately, this incredible technology is built into every 2231 graphic EQ. Also included is the patent-pending PeakPlus limiter, designed to tame your program material from the subtlest nuances to the rowdiest hits. All of this and, of course, a giant graphic EQ. We're talking 31 bands of EQ on two independent channels!

Additional Media

20 Series User Manual
2231 Spec Sheet
Signal Processing Buying Guide

Tech Specs

Number of Bands 2 x 31-band
Q Type Fixed
Boost/Cut Range ±6, ±15 (Switchable)
Low Cut Filter 40Hz, 18 dB/octave
Faders Throw Medium-throw
Rack Spaces 3U
Height 5.25"
Depth 7.9"
Width 19"
Weight 10.6 lbs.
Manufacturer Part Number DBX2231V

Customer Reviews

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Robert Thomas

Bought dbx 2231 to control Bi-amped woofers in a high end audio system. Product works perfectly. As usual, the service from Sweetwater was excellent. Like the warrantee.
Music background: Guitar

Sweetwater Advice

Nick Schenkel

I have used the 2231 while running monitors for Grammy Award winners at major venues. This is my standard against which I measure all dual-channel 31-band graphic EQs. If you are serious about live sound, you should seriously consider using a 2231 on each pair of outputs from your board.

Tim Harrington

The 2231 has been in my FOH rack for years. It handles the road well, and it's clean and reliable. Use it, you'll like it!
See also: Graphic Equalizers, dbx, dbx Graphic EQ, dbx Graphic EQ