I have Sony 600w XMZR604R. $60 shipped
* CEA Rating: 60W x 4
* DIN 45500 Rating (@ 14 V, THD 0.5 %)
* 4 ohm: 4 x 60W
* 2 ohm: 4 x 65W
* Rated/THD (@ 14.4 V, 20 Hz - 20 kHz)
* 4 ohm: 4 x 60W / 1.0% (14.4V, 20 - 20kHz)
* 2 ohm: 4 x 65W / 0.1% (14.4V, 20 - 20kHz)
* Maximum (@ 14.4 V)
* 4 ohm: 4 x 110W
* 2 ohm: 4 x 150W