DENON digital input compatible audio amplifier, featuring a simple design and a variety of connection terminals. Product Details: https://www.denon.jp/ja-jp/shop/classicoveronear_ap/da310usb_ap [Contents] ◇ Denon DA-310USB Main Unit ◇ Included Power Cable ※ No box Purchased new in 2020 and used until 2023, then stored until now. Used as a USB-DAC, with headphones connected to the front stereo standard jack. Upon inspection for listing, output has been confirmed without issue using the same method. There are no noticeable scratches, but please refrain from purchasing if you are looking for a pristine item.