Control Frequency:50HZ, 200HZ, 3.2KHZ ,12.8KHZEQ Control Range:Boost 12dB±3V, Cut12dB±3dBSub Gain (30HZ-150HZ):10dB+5dB/-2dBFrequency response:20HZ 20 KHZDistortion:≤0.1% S/N Ratio:≥60 dBPower supply:11-15V DCDimension:89×25×130