The latest Q4 Bluetooth receiver & D/A converter: with Bluetooth / PC-USB / U-disk / Optical and Coaxial S/PDIF inputs can match perfectly with most home audio system; transmits stream bit-perfect 24Bit/192KHz HD low jitter signal, with output protect circuit, safe for your expensive audio system. PC-USB / U-disk inputs and dual analog outputs: besides PC-USB (support phone OTG), also with U-disk input to play lossless audio formats, easy to set-up, no need for any driver or software, truly plug-and-play. RCA output can be connected to amplifier or powered speakers, and headphone amp circuit is added to drive most 16-300Ω headphones.
eBay