The Sony SWF-BR100 is a 100W wireless active subwoofer designed exclusively for compatible 2014 Sony Bravia TVs, featuring a 200mm mica cone driver, an MDF cabinet, and an included USB wireless transceiver. Television Requirement: Only works with select 2014 Sony Bravia TV models equipped with the matching software drivers.Connection Method: Plug the wireless transceiver into the TV's USB port and run the supplied audio cable from the TV's audio out/headphone jack to the transceiver.Control: Automatically tunes crossover and volume levels through the television's on-screen menu and standard TV remote