The Parasound NewClassic 275 v.2 Two Channel Power Amplifier from Parasound utilizes class AB amplifier technology, meeting the strict quality and performance standards the brand is known for. This exceptional audio component guarantees years of reliable and enjoyable use. Key Features: 90 watts x 2 into 8 Ω (all channels driven) Two pairs of speaker outputs with front panel A/B buttons High pass filter, switchable for 20Hz or 40Hz Automatic on/off by DC trigger or audio signal Fully discrete circuitry with high current toroid transformer Bridging switch for stereo or mono operation Gold plated RCA input jacks and 5-way speaker terminals Specifications: Power Output - (RMS power, 20 Hz - 20 kHz)All Channels Driven90 watts x 2, 8Ω150 watts x 2, 4Ω150 watts x 2, 2Ω (Load switch set to 2-3Ω) Bridged Mono200 watts x 1, 8Ω200 watts x 1, 4Ω (Load switch set to 2-3Ω) Current Capacity20 amps peak per channel Frequency Response20 Hz - 50 kHz, +0/-3 dB, 1 watt Dynamic Headroom - 1.3 dB Total Harmonic Distortion0.35% at full rated output0.025% at average listening levels IM Distortion - 0.05 % Transient IM Distortion - Not measurable S/N Ratio110 dB at rated output, IHF A-weighted103 dB at rated output, unweighted93 dB at 2.828 V output, IHF A-weighted84 dB at 2.828 V output, unweighted Input Impedance - 33 k Ω Input Sensitivity800 mV for full rated output (28dB) Inter-Channel Crosstalk80 dB @1 kHz, 72 dB @10 kHz, 65 dB @ 20kHz Damping Factor - Over 150 at 20Hz 12V Trigger Turn On - DC 9 - 12V, 15 mA Audio Turn OnQuieter: 1 mVLouder: 6 mV AC Power Requirement110 - 120 V / 220 -240 V, 50 - 60 Hz0.5 watts standby25 watts Idle (no audio)350 watts full output Dimensions17-1/4" Wide16" Deep, with cables connected2-1/2" High with feet, 1-3/4" panel only (1U)(437 x 406 x 63mm, 44.1 mm panel only) Net Weight - 20 lbs (9.1 kg) Rack Mount AccessoryMay be Purchased SeparatelyRMK11