inputs.text: grom audio bt3 bluetooth adapter - pros product concept excellent installation breeze modest expectations lucky enough get unit stands test time worth moneycons groms execution excellent product concept stunningly flawed installed 3 units rx300 past two months failed unit 1 lot audio noise connected via bluetooth rmad two days installation unit 2 also audio noise connected via bluetooth noise 6 db unit 1 decided keep unfortunately unit 2 suffered catastrophic failure two weeks inoperable unit 2 rmad point unit 3 best one bluetooth audio noise standpoint unfortunately annoying habit randomly disconnecting bluetooth connection unit 3 also rmad three strikes grom bt3 good ended installing digital media player functions perfectly box