JBL, High-Performance Mono Class D Amplifier High-Performance Mono Class D AmplifierSpecifications: High performance, mono Class D subwoofer amplifier: Yes Max Power: 2600W Peak Power Output, 2: 1000Wrms x 1, <0. 1% THD+N Power Output, 4: 700Wrms x 1, <0. 1% THD+N Signal to Noise Ratio: >=80dB (ref 1W output @ 2) High Efficiency, Low Distortion Class D Design: Yes Active LPF, variable 32 320Hz: Yes Variable Line Level and Speaker Level Inputs (0. 2 to 20V input range): Yes