Small device to stream audio to an Amplifier or Stereo system using wifi
- only $ 30
No mention of linux but I'm sure it's possible since it sticks to
common standards so Android OS can be used.
https://www.youtube.com/watch?v=v7sdjW07ySU#t=16
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Hardware&Format
1.Professional Router Chipset and Audio DAC
2.Compliant 802.11b/g/n standard(Max 150Mbps)
3.WiFi encryption by WPA,WPA2,WPA2 Mixed
4.Supports DLNA, AirPlay,Qplay
5.Supports airplay audio format: .aac,.mp3, .wav, .flac,ape
I/O
1.Micro USB: Power supply
2.WiFi LED: WiFi Signal
3.Power LED: Power signal
4.SPDIF: Digital audio interface
5.Earphone: Analog audio interface
6.USB: Extend uDisk and 3G dongle
7.Reset hold: Reset system
App function
Android: All DLNA and airplay supported APP
iOS devices:All DLNA and Airplay supported APP