Harman Kardon AVR 510 7.1-Channel Home Theater Receiver Parts/AS-IS Unit powers on, but could not get sound out of it at all. Being sold AS-IS/Parts. In good cosmetic health with only very minor blemishing. Please see pictures for finer detail. Model: AVR 510Serial#: TH0017-09208 ELECTRONICS DISCLAIMER: Due to the nature of electronics, Serial numbers have been photographed and recorded, and tamper proof labels are used to prevent tampering. We strive to take excellent pictures and describe items as thoroughly and accurately as possible, but please dont hesitate to ask any questions that you may have. Thanks for looking! EB-12837