Digital Audio Converter,5.1 Channel Audio Decoder,AC‑3 Audio Decoder Digital Optical Coax to Analog Audio for Home/Concert Hall/Cinema.((Host+USB+Optical Fiber)): Amazon.com: Industrial & Scientific
Amazon.com: Hornby R8115 TTS Sound Decoder: Merchant Navy Rail Accessory, Multicolor, 7.6 x 13.2 x 1.6 centimetres : Hornby: Everything Else
Amazon.com: MRC HO DCC/Sound Decoder, ATH RS3 : Arts, Crafts & Sewing
Amazon.com: MRC HO Drop-in Sound Decoder: Athearn MP15 for DC and DCC : Arts, Crafts & Sewing
DTS / AC3 5.1 Channel Audio Decoder DTS/Ac-3 Optical to 5.1-Channel Analog Converter Digital Audio Decoder with Aux Jack: Amazon.com: Industrial & Scientific