Rotel products with a PC-USB input have the ability to replay audio files from your computer. Playback of audio files up to 16-but / 96kHz are supported natively by both Windows and MacOS and do not require additional drivers.
To replay audio files at sampling rates above 96kHz simply install the PC-USB Audio drivers included with your compatible Rotel product.
Who needs to spend $10,000 on a digital-analogue converter when DACs like the RDD-1580 are on the market?
"...the RDD-1580 was flawless, both in features and in sound quality. It is by far the best DAC that I’ve heard in this price..."