800W subwoofer car amplifier class d

1.RMS output power: 550w*1 @ 2ohm 800w*1 @ 1ohm 2.Frequency response: 10Hz-250Hz ±10% 3.S/N rate: >86dB 4.Input sensitivity: 200mV-5V 5.THD: 0.02% 6.Dimension: 265*210*60(mm) 7.Perfect overheat&overload protecion 8.Remote control: optional Unit Type:piece Package Weight:6.000kg (13.23lb.) Package Size:40cm x 24cm x 6cm (15.75in x 9.45in x 2.36in)