Available for In-Store Shopping Only The McIntosh MC312 Stereo Amplifier offers 300 Watts per channel, delivering powerful and clear sound to any home audio system. With our unique Autoformer™ technology, this amplifier can power speakers with 2, 4, or 8 Ohm impedance, providing versatility and high-quality performance. Enjoy years of musical enjoyment with this top-of-the-line amplifier. Power Guard - McIntosh designed and patented circuit that prevents speaker clipping. Photo-optics react in 1/1000th of a second to regulate power levels to speaker, protecting the speakers and the amplifier. A waveform comparison circuit continuously monitors both input and output signals. Power Guard dynamically adjusts the input level to avoid clipping while preventing harsh sounding distortion. Sentry Monitor - McIntosh designed and patented circuit that activates in case of accidental “shorts" in speaker wires. Fuse-less short-circuit protection circuit disengages the output stage before current exceeds safe operating level-resets automatically. McIntosh Monogrammed Heatsinks Output Autoformer - Unique McIntosh technology delivers the full rated amplifier output with the least possible distortion into loudspeaker impedances of 2, 4, or 8 Ohms; you get all the power you paid for and the freedom to choose any loudspeaker. Output Per Channel 300W Number of Channels 2 Speaker Impedance 2 or 4 or 8 Ohms Rated Power Band 20Hz - 20kHz Total Harmonic Distortion 0.005% Dynamic Headroom 2.3dB Frequency Response +0, -0.25dB from 20Hz to 20kHz +0, -3.0dB from 10Hz to 100kHz Damping Factor >40 Wideband Dimensions (WxHxD) 17 1/2" (44.45cm) x 9 7/16" (23.97cm) x 22" (55.88cm) - Including front panel, handles, and cables Weight 105lbs (47.63kg)