For sale: Audioengine D1 USB powered 24-bit DAC and headphone amplifier in original box. $110 via Paypal, shipped CONUS.
Manufacturer's website:
D1 24-bit DAC
Manufacturer's website:
D1 24-bit DAC
Features
Desktop or portable digital-to-analog convertor
Mac or PC plug-and-play, no drivers to install
High-performance headphone amp included
USB and optical inputs
USB-powered, no separate power supply needed
Stream bit-perfect HD audio with low jitter
Based on high-performance AK4396 DAC
Works With
Any computer (Mac or PC)
Headphones
Apple TV or any product with optical outputs
Powered speakers
Any audio system with mini-jack or RCA inputs