Tested and functional! Stands in near-mint condition, ready to amplify your audio to new heights. Crystal Clear Audio:Experience continuous power output of 50 watts per channel with minimal distortion (< 0.08%) and impressive damping factor (> 150). The RKB-850 ensures a faithful reproduction of your audio, providing a true-to-life listening experience. Premium Build, Minimal Wear:Crafted for both functionality and aesthetics, this amplifier boasts a premium build. While you might notice the slightest handling scuffs, the overall appearance is pristine, with no significant cosmetic wear. Versatile and Powerful:With eight channels and versatile speaker impedance compatibility, the RKB-850 adapts to various audio setups, delivering a powerful and immersive soundstage. Power Efficiency:Operate with peace of mind knowing the RKB-850 is designed for efficiency, consuming only 40 watts in idle mode and less than 0.5 watts in standby.Specs:Channels: EightPower Output: 50 watts per channel (8 ch driven)Total Harmonic Distortion: < 0.08%Damping Factor: > 150Amplifier Gain: 30 dBFrequency Response: 20Hz - 20kHz, +0dB/-1.4dBSignal to Noise Ratio: 108 dBCrosstalk / Separation: > 60 dBSpeaker Impedance: 4 ohms minimumPower Requirements: 120 Volts, 60 HzPower Consumption: 150 watts (Idle: 40 watts, Standby: < 0.5 watts)Elevate your audio experience with the Rotel RKB-850 Eight Channel Power Amplifier. ------------------------------ I will ship UPS Ground same-day if ordered before 1pm Central, but no later than 1 business day handling time (business days are M-F). This will be packed with exquisite care. I will accept returns within 30 days, but please carefully review the notes and all pictures before buying! Please also feel free to message me if you have any questions. Thanks for looking!