Taramp's TL1800 TL Line Amplifiers Number of Channels - 03 Max Power @ 13.8 VDC - 2 x 85 W RMS (2 OHMS STEREO) - 1 x 360 W RMS (SUB 2 ohms) Input Sensitivity: 250mV Input = RCA input wire = 6.0 V Distortion Total Harmonic (THD): 0.05% Signal / Noise:&gt; 90dB Damping Factor:&gt; 300 Frequency response: Exit Sub: 10Hz to 90Hz with a cutoff frequency active (-12dB / 8 th) Output Stereo L / R 90Hz to 30KHz with a cutoff frequency active (-12dB / 8 th) Bass Boost: Adjustable from 0 to 10dB @ 50Hz Efficiency:&gt; 80% Input Impedance - 10K ohms (RCA) - 1K OHMS (FIO) Protection System: Short on out / Thermal Protection Low Supply Voltage: 8VDC Voltage Maximum Supply: 16VDC Consumption at Rest:. 1.3 Amp Maximum Consumption Musical 13.8 VDC @ 25 Amp. Maximum Consumption in sinusoidal signal (1kHz) 13.8 VDC: 50 Amp. Dimensions (WxHxD): 134 x 45 x 261mm Weight: 11.0 kg