With just the DisplayPort Male to HDMI Female Adapter plugged into the Asus Z97-A motherboard I purchased from Overstocked the 48 inch LG flat screen television I purchased from a local pawn shop now has the same sound quality as my 42 inch Vizio flat screen I purchased from aunt. My Lubuntu 16.04 with the Gnome desktop under All Settings - Sound - sees it as HDMI / DisplayPort - GK208 HDMI/DP Audio Controller. And the sound quality seems clear, distinct and with good bass.
Works as desired. I purchased my MacBook Pro in April 2010, and this device patches my MacBook to the TV and produces audio as well as a great picture. Also included is an HDMI cable, which I would have had to buy separately. Great price also.
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