-  Open Source AB1-1 - USB to analog/i2s playback up to 24/192 
-  Abbingdon Music Research AMR DP777 - USB to analog playback up to 24/192 
-  AMR Digital Processor-777 - USB to analog playback up to 24/192 
-  Arcam rDAC - USB to analog playback up to 24/96 
-  Atoll DAC200 - USB to analog playback up to 24/192 
-  Audioaero La Fontaine - USB to analog playback up to 24/192 
-  Audiolab MDAC - USB to analog playback up to 24/96 
-  Audio-gd - USB to analog playback up to 24/96 
-  Behringer UCA222 - USB to analog playback up to 16/48 
-  Berhringer UFO 202 - USB to analog playback up to 16/48 
-  Beresford Caiman DAC - USB to analog playback up to ?/? 
-  Bladelius - USB to analog playback up to 24/192 
-  Bricasti Design M1 - USB to analog playback up to 24/192 
-  Cambridge Audio DacMagic - USB to analog playback up to 16/48 
-  Cambridge Audio DacMagic II - USB to analog playback up to 24/96 
-  Creative SB-Live - USB to analog playback up to ?/? 
-  Emotiva XDA-1 - USB to analog playback up to 16/48 
-  Firestone Audio Fubar IV - USB to analog playback up to 24/96 
-  Furutech GT-40 - USB to analog playback up to 24/96 
-  Halide Design ds DAC - USB to analog playback up to 16/48 
-  Hegel HD Series - USB to analog playback up to 24/96 
-  Lampizator DAC - USB to analog playback up to 32/384 
-  M-Audio FastTrack Pro - USB to SPDIF/analog playback up to 16/48 
-  M2Tech Hi-Face2 - USB to SPDIF playback up to 24/192 
-  Music Hall dac25.3 - USB to analog playback up to 24/96 
-  Music Fidelity V-DAC - USB to analog playback up to 24/192 
-  Music Fidelity V-Link - USB to SPDIF playback up to 24/96 
-  Music Fidelity V-Link 192 - USB to SPDIF playback up to 24/192 (pending review) 
-  Onkyo ND-S1 - USB to analog playback up to ?/? 
-  Onkyo UWL-1 - USB to analog playback up to ?/? 
-  Peachtree Audio (products that do not need drivers) - USB to analog playback up to 24/96 
-  Perreaux Audiant DP32 DAC/Preamp - USB to analog playback up to 24/192 
-  Pro-Ject USB Box - USB to analog playback up to 16/44.1 
-  PS Audio Digital Link III - USB to analog playback up to 16/44.1 
-  Ratoc Systems RAL-2496UT1 - USB to analog playback up to ?/? 
-  Schiit Bitfrost - USB to analog playback up to 24/192 
-  Simaudio Moon 100D and 300D - USB to analog playback up to 16/48 
-  TeraDak - USB to analog playback up to 24/96 
-  Turtle Beach Amigo II - USB to analog playback up to 16/48 
-  Turtle Beach Micro II - USB to SPDIF/analog playback up to 16/48 
-  Yamaha CAVIT APU-70 - USB to analog/speaker level playback up to 24/96 (88.2 is not supported) 
-  Wadia 151 Power DAC Mini - USB to analog playback up to 24/96 
-  Wyerd4Sound W4S-DAC1 USB to analog playback up to 24/96