The QED Remote Audio System consists of two SIM passive audio baluns each incorporated into a 50mm x 50mm Euro module plate that fits into an MK Electric Eurodata faceplate
The MuxLab Stereo PC Audio 500030 balun has a 3.5mm stereo jack plug for direct connection to your PC, laptop or iPod. Available either as a pair or with the 500027 version with RCA plugs