Digital Co-ax to Analog L/R Audio Converter (with Dolby Digital and DTSM 2.0 Decoder)
Dolby Digital - Wikipedia
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JBL Bar 2.0 All-In-One MK 2 Compact 2.0 Channel Soundbar with Bluetooth & Dolby Digital | World Wide Stereo
About my system shows audio in as 2.0 instead of 5.1 | Sonos Community
LG Spherical Satelite Speaker, 300W RMS, USB Plus 2.0, USB Direct Recording & Play, Prologic 1&2 / Dolby Digital Decoder | LG Philippines