Kenwood Excelon X501-1 Class D Mono Power Amplifier
- Class-d 2-ohm stable monoblock amplifier.
- RMS power rating: 4 ohms: 300 watts x 1 chan./ 2 ohms: 500 watts x 1 chan..
- Pulse width modulated MOSFET power supply.
- 3-Way protection circuitry (thermal, overload, and speaker short protection).