Astell&Kern ACRO CA1000T Portable headphone amplifier/DAC with Bluetooth® and Wi-Fi at Crutchfield
Peachtree Audio DAC iTx Stereo DAC with asynchronous USB input at Crutchfield
Portable USB DAC and headphone amplifier
iFi Audio hip-dac2
Desktop digital-to-analog converter and Bluetooth® receiver
Zen One Signature
Stereo DAC with asynchronous USB input (Black)
Cambridge Audio DacMagic 100
Sony PHA-3 Portable headphone amplifier/DAC at Crutchfield
Mass Fidelity® Relay Wireless Bluetooth® DAC at Crutchfield
Sony PHA-2 Portable headphone amplifier/USB DAC at Crutchfield
Peachtree Audio sonaDAC Stereo digital preamplifier/DAC/headphone amplifier at Crutchfield