RMS Power Rating: 4 ohms: 50 watts x 4 chan. / 2 ohms: 75 watts x 4 chan. / Bridged: 4 phms: 150 watts x 2 chan.
Total power output: 1600 watts
Pulse width modulated MOSFET power supply
3-Way protection circuitry (thermal, overload, and speaker short protection)
The 5-channel Kenwood excelon X801-5 amplifier can deal out 50 Watts RMS each to four speakers and up to 500 Watts RMS to a sub, so you can power your entire system with an amp that's the size of a Book. You can also configure the X801-5 in 3-channel mode and drive a pair of components with 150 Watts each while sending 500 Watts to a sub.