ONKYO Integra A-755 Amplifier Power tested, speaker connection and music playback confirmed. This is a precision instrument that has been stored for a long period. Please assume that some malfunction is possible. Please consider purchasing only if you understand this. This item has been in storage, and scratches, stains, etc. are visible. I have wiped it down lightly, but there are still dust, rust, dirt, and small scratches that could not be removed. Shipping will be done by wrapping with stretch film and then packing in cardboard. We cannot provide any warranty for damage or malfunction during transportation, so returns and exchanges are not accepted. Please make your purchase after careful consideration. Sold as is. Returns, refunds, and exchanges are not accepted. After purchase, no claims and no returns are accepted.