inputs.text: works advertised - wireless systehem works exactly supposed high quality transmission audio issues packaging not good soft plastic sides scratched scuffed instructions cryptic best especially regard pairing transmitter receiver transmitter accept variety inputs optical coaxial usb stereo receiver standard stereo output poweronoff switch tiny pushbutton held 3 seconds turn transmitter receiver connect equipment power strip power control turn not come back turn main power mounting problehematic best even though brackets provided finally warranty card first line scratch coating get 20bit security code important since code must entered web site register product could not find code anywhere units packagingi gave three stars work advertised difficulties aside