2-Series Dual 31 Band Graphic Equalizer

Exceptional sound and rugged reliability

When the pros need an EQ, they turn to dbx. With a proven track record that spans four decades, dbx® EQs 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.

Connectors: 1/4" TRS, female XLR (pin 2 hot)

Type: Electronically balanced/unbalanced, RF filtered

Impedance: Balanced 40k ohm, unbalanced 20k ohm

Max Input Level: >+21dBu balanced or unbalanced

CMRR: >40dB, typically >55dB at 1kHz

OUTPUTS

Connectors: 1/4" TRS, male XLR (pin 2 hot)

Type: Impedance-balanaced/unbalanced, RF filtered

Impedance: Balanced 100 ohm, unbalanced 50 ohm

Max Output Level: >+21dBu balanced/unbalanced into 2k ohm or greater
>+18dBm balanced/unbalanced (into 600 ohm)

SYSTEM PERFORMANCE

Bandwidth: 20Hz to 20kHz, +0.5/-1dB

Frequency Response: <10Hz to >50kHz, +0.5/-3dB

Dynamic Range: Typicall >112dB

Signal-to-Noise: Typically >95dB

THD+Noise: <0.003%

Interchannel Crosstalk: <-90dB, 20Hz to 20kHz

FUNCTION SWITCHES

EQ Bypass: Bypasses the graphic equalizer section in the signal path

Low Cut: Activates the 50Hz 12dB/octave high-pass filter

Range: Selects either +/- 6dB or +/- 12dB slider boost/cut range

POWER SUPPLY

Operating Voltage: 100VAC-240VAC 50/60Hz

Power consumption: 15W

Mains Connection: IEC receptacle

PHYSICAL

Weight: 6.2 lbs.(2.81 kg) Shipping weight 7.9 lbs.(3.58kg)

Dimensions: 3.5" (8.9cm) H x 6"(15.24cm) D x 19" (48.26cm) W