Rotel Five channel amp - RB-985 MKII THX certified 100 watts RMS output per channel at 8 Ohms Frequency response 10 Hz - 80 kHz +/- 0.5 dB Harmonic distortion (20Hz - 20kHz, 8 ohms) < 0.03% Signal/Noise ratio: 115dB Input impedance 27 kOhm/1volt Speaker impedance 4 ohms minimum Damping factor 260 Power consumption 800 watts See the review at this link for more objective info than I could give you: http://rotel.com/sites/default/files/RTC-965%2C%20RB-985%20MkII%20Stereophile%20GHT%20Oct2000.PDF ==================================================== Rotel RSP-976 Preamp Surround Sound Processor -Rotel RR-969 Remote Control -Frequency response: 10Hz to 20kHz -Total harmonic distortion: 0.03% -Input sensitivity: 200mV (line) -Signal to noise ratio: 92dB (line) -Output: 0.6V (Pre out) -Digital inputs: coaxial, optical -Video Connections: component, composite, SVHS -Dimensions: 17.5" x 5" x 12" -Weight: 15 pounds