3) Playing digital optical input - Good choice HEOS HomeCinema
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SAMSUNG HW-A550 2.1 Channel Soundbar with Wireless Subwoofer and Dolby 5.1 / DTS Virtual:X - Walmart.com
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How to Connect an Optical Cable: TV, Soundbar & Home Theater
4) Playing digital coaxial input - Good choice HEOS HomeCinema
