Pioneer PRSD2000 / PRSD2000T / PRSD2000T Premier 2 Channel Full-Range Class FD Amplifier 150 Watts X 2, At 4 Ohms &lt;= 1% THD+N 600 Watts X 1, At 4 Ohms BRIDGE &lt;= 1% THD+N 80 DBA Signal-to-Noise Ratio (Reference: 1 Watt Output) Selectable Bass Boost With Wired Bass Remote