⭕ Listening to it is like listening to music reproduced in its purity. Background was dead silent and black. There was no nuances or coloration introduced into the music when using the C-03. Cosmetically the unit is in like new cosmetic shape. Still have the original boxes, manuals and remote. Less than 15 months old. Comes with 30 days the return policy if not happy with the purchase. Can help with shipping or collection. You would be amazed by the level of detail and accuracy it will extract out of your source unit. The C-03 is a line level only and truly excels with digital source units.