Here are the specs on the new you DAC from Jolida, the final cost should be at around $120 or so.

FX DAC Mini: A New addition to the Glass FX series: DAC= Digital to Analog Converter (or in more common parlance, plays the digital music off you computer through your amplifier.) The FX DAC Mini is an integrated chip housed in a sturdy aluminum case. A credit card sized DAC that is portable and flexible, the unit can be used to take a digital source and turn the signal into an analog signal so that it can be played through any stereo amplifier.
Specifications:
● INTEGRATED USB INTERFACE:
Full-Speed Transceiver Supports 12Mbps Data Transfer
Fully Compliant with the USB 1.0 Specification
Self-Powered Device
● ACCEPTS 16-BIT STEREO AND MONO USB AUDIO DATA STREAMS
● ANALOG PERFORMANCE:
Dynamic Range: 103dB (typical at 16-bit)
SNR: 105dB (typ)
THD+N: 0.002% (typ at 16-bit)
Full-Scale Output: 3.1VPP
● SAMPLING RATE (FS): 32kHz, 44.1kHz, 48kHz
● Burr Brown PCM2702 DIRECT OUTPUT
● Indicator: Power (Right), Playback (Left)
● Input Socket: USB-mini 5pins
● Output Socket: Gold-plated RCA
● Size: 3 ¼ in. L x 2 in. W x 5/8 n. H Weight : 12 oz.
● 90 day warranty