Available for In-Store Shopping Only The McIntosh MC611 1-Channel Solid State Amplifier delivers 600 Watts of power to satisfy even the most demanding of loudspeakers. With our unique output Autoformer™ technology, your speakers will receive the full 600 Watts, regardless of their impedance, ensuring they reach their full potential. Upgrade your home stereo system or power your home theater with a pair of MC611s for impressive, high-quality sound. Monogrammed Heatsinks Direct Coupled Output Design 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. Quad Balanced design that cancels virtually all noise and distortion that may have crept into the audio signal 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 600W Number of Channels 1 Speaker Impedance 2 or 4 or 8 Ohms Rated Power Band 20Hz - 20kHz Total Harmonic Distortion 0.005% Dynamic Headroom 2.8dB Frequency Response +0, -0.5dB 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)(including feet) x 22" (55.88cm)(including front panel, handles and cables) Weight 97.5lbs (44.32kg)