For sale is a used dbx ieq31 2-channel 31-band graphic equaliser. Fully working and in great condition. Advanced Feedback Suppression (AFS). Type V Noise Reduction. 1/3-octave Constant Q frequency bands. Switchable boost/cut ranges of +6 or +15 dB. XLR, TRS, and Euroblock inputs and outputs. Relay Bypass for power failure system protection. Input Connectors: 1/4 TRS, female XLR (pin 2 hot), and Euroblock. Insert Type: Electronically balanced/unbalanced, RF filtered. Insert Impedance: Balanced 40 k? , unbalanced 20 k? Max Input: > +22 dBu, balanced or unbalanced. CMRR: > 40 dB, typically > 55 dB at 1 kHz. Output Connectors: 1/4 TRS, male XLR (pin 2 hot), and Euroblock. Output Type: Active-balanced/unbalanced, RF filtered. Output Impedance: Balanced >120? , unbalanced >60? Max Output: > +20 dBu balanced/unbalanced into 2k? Or greater. Frequency Response: 20 Hz to 20 kHz, +0.5/0.25 dB. Dynamic Range: > 113 dB, A-weighted. Noise Reduction: Up to 10 dB of dynamic broadband noise reduction. Digital Resolution: 24 bits. Sample Rate: 48 kHz.