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.

SPECIFICATIONS

General

• 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: 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

Manufacturer: DBX
Model: 231S
SKU: I254268-N-3-WHXE
UPC: 691991401206

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Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

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