The DBX 231S Dual Channel 31-Band Equalizer are the industry standard for touring, studios, and audio installations. With the dbx heritage of revered pro EQs, the 231s meets the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls.
The dbx 231s includes two 31-band channels of 1/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dB boost/cut range, 20mm nonconductive sliders, an intuitive user interface, and output level metering. From its extended 10Hz to 50kHz frequency response and 112 dB dynamic range to the quality componentry and meticulous attention to detail, the 231s offers exceptional sound and rugged reliability that guarantees you will always sound your best.
Sure to find a home in the studio, on tour and with installed sound venues, the dbx 231s is destined to take its rightful place in the lineage of great dbx signal processors that are the professional's choice in signal processing. With such affordable quality, there's no longer any excuse for compromising your sound.
Input Connectors: 1/4" TRS, female XLR (pin 2 hot)
Input Type: Electronically balanced/unbalanced, RF filtered
Input Impedance: Balanced 40k ohm, unbalanced 20k ohm
Max Input: >+21dBu balanced or unbalanced
CMRR: >40dB, typically >55dB at 1kHz
Output Connectors: 1/4" TRS, male XLR (pin 2 hot)
Output Type: Impedance-balanced/unbalanced, RF filtered
Output Impedance: Balanced 100 ohm, unbalanced 50 ohms
Max Output: >+21dBu balanced/unbalanced into 2k ohm or greater; >+18dBm balanced/unbalanced
Bandwidth: 20Hz to 20kHz, +0.5/-1dB
Frequency Response: <10Hz to >50kHz, +0.5/-3dB
Dynamic Range: Typically >112dB
Signal to Noise Ratio: Typically >95dB
Compressor Threshold Range: -40dBu to +20dBu
Compressor Ratio: >4:1 For input levels beyond 20dB above threshold
Max Compression: 30dB
De-esser Characteristic: Wideband Gain Reduction
Expander/Gate Threshold Range: OFF to +15dBu
Expander/Gate Ratio: Adjustable 1.5:1 to 10:1
Expander/Gate Max Depth: >50dB
Power Consumption: 15W
Operating Voltage: DO: 120VAC 60Hz, 100VAC 50/60Hz; EU: 230VAC 50/60Hz
Operating Temperature: 0°C to 45°C (32°F to 113°F)
Dimensions: 1.75" x 5.75" x 19" (4.5cm x 14.6cm x 48.5cm)
Unit Weight: 4.5 lbs/2.04 Kgs
Shipping Weight: 6.54 lbs/2.97 Kgs
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