ive no idea what this products like that i'm about to mention , but I do have the graham slee srg11 headphone amp from the same company.
Bitzie USB DAC/USB Headphone Amp
http://www.gspaudio.co.uk/bitzie-usb-dac-external-soundcard.htm
the blurb .....
20 great reasons why you should choose the Bitzie USB DAC/External Sound Card...
•Plug & Play (instantly recognised by virtually all operating systems including Windows 8!)
•Also Plug & Play with Samsung Galaxy S3 running Android Jellybean — 7 hours playing on fully charged S3!
•No driver downloads (except Windows 98 which is virtually automatic)
•Plays 44.1, 48, 88.2, 96, 176.4, 192 kHz via VLC media player, Foobar2000 or other freeware players
•24-bit/44.1 or 48 kHz bit-perfect when running suitable software
•16-bit/44.1 or 48 kHz S/PDIF permanently on outputs — 75 Ohm transformer isolated coax and optical "toslink" transmitter
•Full-speed USB
•Low clock jitter
•8x oversampling Burr-Brown USB Audio CODEC
•USB powered - USB compliant 0.5W consumption
Additional superior active analogue output stage!!!
•Analogue 3rd order Butterworth low pass filter, -1dB at 22kHz, -47dB at 352.8kHz
•1.55V rms analogue output
•Two stereo output jacks
•Drives all headphones - low impedance and high impedance
•Drives power amplifiers direct
•True analogue rotary volume control
•Smaller than iPod™ footprint - anodized aluminium case
•Smaller than our Voyager portable headphone amplifier
•Included high quality full-size jack to stereo RCA jack adapter
•Designed and manufactured in the United Kingdom