DBX 231 Professional Graphic Equalizer

DBX 231 Professional Graphic Equalizer

The DBX 231 Graphic Equalizer is a trusted choice for audio professionals who demand precise frequency control and crystal-clear sound shaping. Designed for both live sound reinforcement and studio mastering, the 231 offers dual 31-band EQ channels, enabling detailed tonal adjustments across a full frequency range.

Each channel provides ±6 dB or ±12 dB boost/cut, low-cut filters, and intuitive sliders that allow for accurate tweaks on the fly. Built into a rugged rack-mount chassis, the DBX 231 delivers exceptional sonic transparency with the reliability you’d expect from one of the most respected names in audio processing.

Key Features:

• Dual-channel 31-band graphic equalizer

• Selectable ±6 dB or ±12 dB range per band

• Low-cut filter (40Hz) on each channel to remove unwanted rumble

• XLR and 1/4″ TRS balanced input/output connections

• Rack-mountable design for touring or fixed installations

• Ideal for live PA systems, installations, and recording studios

Technical Specifications:

• Frequency Bands: 31 per channel, 1/3 octave spacing

• Frequency Range: 20Hz to 20kHz

• Inputs/Outputs: XLR and TRS (balanced/unbalanced)

• Filters: 40Hz low-cut filter

• Dynamic Range: >112 dB

• Power Supply: Internal power supply, standard IEC cable

• Mounting: 19″ rackmount (1U)

Frequently Asked Questions:

Is the DBX 231 suitable for live sound?
Yes. It’s widely used in PA systems for precise EQ control, feedback reduction, and system tuning.

Can I use it in a home studio?
Absolutely. The DBX 231 provides fine tonal shaping for mixing or mastering tasks in both professional and home studios.

Does it include balanced connections?
Yes. It offers balanced XLR and TRS connections for compatibility with professional gear.

What’s the difference between the DBX 231 and higher-end models?
The 231 provides essential EQ control with DBX reliability. For more advanced filtering or digital recall, higher-end models like the 1231 or DriveRack may be better suited.