Dr. DAC nano

Dr. DAC nano provides 2 output channels via both analog and a digital optical S/PDIF connection. The analog output features a high quality DAC that works with up to 24-bit/96kHz. The digital output features an optical miniplug connector.
Dr. DAC nano works under Windows XP, Windows Vista, Windows 7 as well as Mac OS X even without the installation of any driver software - perfect Plug & Play!
Device Type

digital to analog converter
USB audio interface
optical S/PDIF transmitter
headphone amplifier

Key Specifications and Features
S/PDIF optical output via 3.5mm mini plug optical transmitter
16bit/24bit, 44.1kHz, 48kHz, 96kHz bit-perfect support
NON-PCM (Dolby Digital/dts) Pass Through support
AKM AK4421 192kHz 24-Bit Stereo DAC, 103dB dynamic range, analog playback support up to 24bit/96kHz from TE7022L I2S interface
Tenor TE7022L USB streaming audio controller with 12MHz USB Full Speed operation
Analog Devices AD8397 High Output Current Amplifier
16 ohm ~ 300 ohm headphone driving capability
combo S/PDIF & analog output jack / up to 24bit/96kHz output capable
Standard USB audio driver in Windows XP, Windows Vista, Windows 7, Mac OS X
Max. 3 Vrms analog output level
National Semiconductor LM2663M Switched Capacitor Voltage Converter
Precision +-5ppm 12.000MHz TCXO for lowest clock jitter
Low ESR Tantal capacitor
High quality 4 Layer PCB
USB bus powered operation
3.5mm Miniplug-Toslink optical converter included
dimensions: 60mm x 45mm x 17mm