Amazon.com: HO 16-Bit Sound Decoder, ALCO 244 : Toys & Games
Amazon.com: Digitrax DGTSDH166D HO 8 Bit Sound Decoder, Motor 6-Functions 1A : Arts, Crafts & Sewing
Generic Digital Dolby DTSAC3 Optical to 51Channel RCA Analog Audio Gear Sound Decoder SPDIF *** Click on the image for addit… | Audio, Digital audio, Surround sound