Mark Levinson No.5805 Stereo Integrated Amplifier The No.5805 from Mark Levinson weighs in at 62 pounds, and features a beautiful curved aluminum and glass front panel - a statement piece from a storied audio brand. The 1"-thick aluminum chassis flows seamlessly into the elegant glass display. Two brushed aluminum hourglass knobs on either side control input and volume. Product Highlights: 125 watts x 2 channels into 8 ohms (20-20,000 Hz) 250 watts x 2 channels into 4 ohms Total harmonic distort