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Continue to ChatNew Gefen Audio Amplifier Integrates Three Audio Sources, Down Mixes 5.1 Dolby to 2 Channels and Includes Volume Stabilizing in One Solution https://www.signageinfo.com/news/20121/new-gefen-audio-amplifier-integrates-three-audio-sources-down-mixes-5-1-dolby-to-2-channels-and-includes-volume-stabilizing-in-one-solution/