Available for In-Store Shopping Only Experience the ultimate in audio quality with the McIntosh MA352 Integrated Amplifier. This sleek hybrid design combines vacuum tube and solid state principles for a truly unique sound experience. The result? Lifelike, high-fidelity music reproduction. Elevate your listening with this expertly-crafted amplifier. Vacuum Tube preamp and Solid State Power Amp 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 5-Band Equalizer Output Per Channel 200W - 8 Ohms 320W - 4 Ohms Number of Channels 2 Speaker Impedance 4 or 8 Ohms Rated Power Band 20Hz - 20kHz Total Harmonic Distortion 0.03% Dynamic Headroom 1.5dB Frequency Response 20Hz - 20kHz - +0, -0.5dB 10Hz - 100kHz - +0, -3dB Damping Factor >200 - 8 Ohms >100 - 4 Ohms Analog Inputs 2x Balanced 3x Unbalanced 1x Moving Magnet Phono (RCA) - Adjustable Loading Digital Inputs NA Outputs 2x Subwoofer (Mono, RCA) 1/4" High Drive with Headphone Crossfeed Director (HXD) Tubes 2x 12AX7A 2x 12AT7 Dimensions (WxHxD) 17 1/2" (44.5cm) x 9 7/8" (25.1cm) x 17 7/16" (44.3cm) Weight 66lbs (29.9kg)