Check the listing for details. amplifier BANDA 800.4 800watts rms 4 channels 2ohm. Condition: New. Listed at 248.99 USD. PARAMETER 800.4 Maximum Power 14.4v @ 2 Ohms 4 x 250 WRMS Maximum Power 14.4v @ 4 Ohms 4 x 170 WRMS Maximum Power 14.4v Bridge @ 4 Ohms 2 x 500 WRMS Maximum Power 12.6v @ 2 Ohms 4 x 200 WRMS Maximum Power 12.6v @ 4 Ohms 4 x 130 WRMS Maximum Power 12.6v Bridge @ 4 Ohms 2 x 400 WRMS Efficiency @ 4 Ohms 84% Efficiency @ 2 Ohms 78% Input Voltage 9 - 15V Input Impedance 22K Ohms THD + N 0.10% Input Sensitivity 280mV - 4V Signal to Noise Ratio 88dB Frequency Response (OFF switch) - Frequency Response 5 to 22kHz (-3dBs) HPF (High Pass Filter) 20 to 90Hz @ 12dBs / 8 ° Linkwitz-Riley LPF (Low Pass Filter) 90 to 20kHz @ 12dBs / 8 ° Linkwitz-Riley Recommended fuse 50 A Resting Current 1 A Maximum Current (sinusoidal signal) 90 A Maximum Current (musical signal) 50 A Power cables (min. Recommended) 10mm / 7 AWG Output cables (min. Recommended) 2 x 1.5mm / 2 x 15 AWG Weight (Kg) 3.1 Height (mm) 54 Width (mm) 209 Depth (mm) 243