B-Stock, Keeley Compressor GC-2 Limiting Amplifier, electric guitar effects pedal, controls: gain & threshold, compession specs: voltage, input: 9.6V, power consumption: 15mA, input impedance: 1 megohm output impedance: 100 Ohms, output voltage gain: + 30db boost, bandwidth:> 20khz total harmonic distortion: 0.1%, noise: -95dbv (not included, optional #108096), B-Stock with full warranty, may have slight traces of use