Seller: marliesdew (661) 100%, Location: Chicago, Illinois, Ships to: US, Item: 330530788167 marliesdew store Mitsubishi Power Amplifier DA-A10DC I really do not know much about electronics. This unit was given to me. We hooked it up and used it for a couple of years. It sounded good to me from both speakers. In our present home we have no use for an additional Power Amp. Tried to clean it as best as I could. Still a bit of dust left. Below is a link for reviews on this Amp. Check it out! Specifications Power output: 100 watts per channel into 8 ohms Total harmonic distortion: 0.005% Frequency response: 20Hz to 20kHz Damping factor: 100 Channel separation: 80dB Signal to noise ratio: 107dB (unweighted) Dimensions: 16.7 x 6.7 x 11.2 inches Weight: 35.27 lb Check out the reviews on this model at: http://www.audioreview.com/cat/amplification/amplifiers/mitsubishi/da-a10dc/PRD_115971_1583crx.aspx I try to be as specific as possible in my description but am not an expert. If you need additional information please ask before you bid. If you are purchasing a used item, I invite you to check my feedback so you know you can bid with confidence.