Denon DA-300USB Stereo DAC/headphone amplifier at Crutchfield
Amazon.com: BRST AC Adapter for Denon DA-300USB High Resolution Audio DAC Headphone Amplifier Power Supply Cord Cable PS Wall Home Charger PSU : מוצרי חשמל
HiFi Linear Power Supply DC15V 1.8A for DENON DA-300 USB 30W 15V Voltage Regulated PSU - AliExpress