Consonance
$150

Features:
Precision 12.0 Mhz master clock for lowest possible jitter performance.
Supported OS: Windows XP, VISTA, Win 7 and Mac.
Plug & Play, no installing drivers or software.
Self-powered via USB input.
Accepts high resolution audio files up to 24 bits/96 kHz data rate.
Specifications:
USB: 24bit 96khz
INPUT USB: USB2.0
Sampling frequency: 32~96KHz
Coaxial OUT: 0.5Vp-p 75OHMS