FreeSpace 3 Surface-Mount Acoustimass Bass Module WhiteDesigned to provide surface-mount bass augmentation for new and existing background music systems. Features one 5.25 (133 mm) woofer that delivers deep bass down to 40 Hz without audible distortion. FEATURES • Low-frequency loudspeaker featuring one 5.25 (133mm) woofer that delivers deep non-localized bass down to 40 Hz without audible distortion. For surface-mount applications• Acoustimass speaker technology filters out audible distortion to deliver non-localized bass• Designed to work with the FreeSpace 3 surface and flush satellite speakers or existing systems where additional bass reinforcement is desired• Module design allows parallel connection of multiple bass modules and can accommodate two or four FreeSpace 3 satellites per bass module• Selectable 70/100V or low impedance Applications • Retail stores• Restaurants and bars• Lobbies and conference roomsFeaturesSingle/ PairSingle