Kenwood KAC-M1814 Compact 4-Channel Digital Amplifier

4 channel digital (Class D) amplifier
Maximum output power 400W
4 x 45W @ 4ohm (CEA-2006 standard)
RCA / Speaker level input
Signal sensing turn-on/off
Variable Low- & High-Pass filter
Compact size (145 x 45 x 99mm)