The DBX 231 is a dual-channel, 31-band graphic equalizer designed for the most demanding sound reinforcement environments. It offers exceptional control over your audio spectrum, allowing you to fine-tune your system to compensate for room acoustics, feedback issues, and instrument characteristics.
Built with a commitment to sonic integrity, the 231 delivers a pristine signal path and low-noise performance. Each of its 31 bands features 20mm sliders with selectable \pm6dB or \pm12dB boost/cut range, providing both broad tonal shaping and surgical precision. Whether in a touring rack or a permanent church installation, the DBX 231 is a proven industry standard for reliable frequency management.
Key Features:
Dual 31-Band Channels: Constant-Q frequency bands for predictable and smooth filter response across the entire 20Hz to 20kHz range.
Switchable Range: Choose between \pm6dB for subtle adjustments or \pm12dB for dramatic tonal corrections.
Built-in Low-Cut Filter: 50Hz, 12dB/octave high-pass filter to remove unwanted low-end rumble and protect your subwoofers.
Precise Gain Control: Input gain range of \pm12dB with 4-segment LED ladders for easy monitoring of output levels.
Balanced Connectivity: Equipped with both XLR and 1/4" TRS inputs and outputs for maximum flexibility in any signal chain.
Rugged 2U Chassis: Built to survive the rigors of the road and provide years of maintenance-free operation.
Technical Specifications:
Frequency Response: 10Hz to 50kHz, +0.5/-3dB
Dynamic Range: >108dB
Signal-to-Noise Ratio: 90dB
Total Harmonic Distortion: <0.004%
Input Impedance: Balanced 40k Ohms; Unbalanced 20k Ohms
Dimensions: 89 mm x 483 mm x 152 mm (2U)