80 watts per channel in Class A/B ultra-linear mode, push pull amplifier design, 40 Watts per channel in Class A Triode mode, stereo integrated amplifier, 3 stereo input pairs, sub woofer preamp output, black steel chassis, 6550 output tubes. Standard with remote volume control, has 4 or 8 ohm speaker impedance switches, headphone jack, triode or ultra-linear mode switches and oil filled capacitors.