Clean Onkyo sound. Beautiful blue lighting on front that looks great in a darkened room. Has not been used much. True dual mono construction.

Continuous Power............2 x220 watts @ 4 ohms, 1 kHz x 145 watts @ 8 ohms, 1 kHz wpc, min RMS, @ 8 ohms, both channelsdriven, 20Hz - 20kHz, no more than 0.005% THDDynamic Power Output.....2 x 425 watts @ 2 ohms, 1 x 290 watts @ 4 ohms, 1 kHzTotal Harmonic Distortion..0.005% @ rated 0.005% @ 1 watt outputFrequency Response........+0, -1.5 dB at 1 Hz to 100 kHz
Input Sensitivity...............1.0V
Input Impedance..............20 kOhms
Damping Factor................140 (8 ohms, 1 kHz)
S/N ratio.........................120 dB (IHF-A, kg (40.8 lbs)

You do not see these come up for sale very often. This isnearly the equivalent amp of the M-504 but with a bit less power and no outputmeters. Performs flawlessly and has enough power to drive any 4 ohm speakerwith ease. True dual mono construction with TWO huge power supplies and 4 largestorage caps PER CHANNEL.

---