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  1. thatBoymathi

    Sennheiser MM 450 Travel: Apt-x, small ringing noise when using BT and TalkThrough?

    Hi. I am currently experiencing 3 difficulties with my Sennheiser MM 450 Travel headset. Since I bought my headset used I just wanted to make sure I am not the only one experiencing this. 1) Apt-x connectivity with Mac OS Mountain Lion. I can connect my headset to my MacBook Pro 15" (Mid...