HS21 2.1-channel Sound Bar Home Theater System...Indulge yourself in a surround sound experience with enhanced dialog and stark bass response with the Prevado HS21. Featuring the latest technology in sound processing, SRS TruSurround XT, this 2.1 sound bar can create a virtual surround sound effect without additional speakers or complex wiring. 45-Watts Total Continuous Power; Surround Retrieval System (SRS) TruSurround XT Processing; Selectable Subwoofer Output: Internal or optional External Powered Subwoofer; (3) RCA Audio Inputs: TV, DVD, Auxiliary; Adjustable Subwoofer Frequency and Level Control via Remote Control; Table Top or Wall Mount Capabilities (mounting brackets included); Remote Control Included. Satellite speakers: (2) 3-inch Full Range Drivers, (2) 2-inch Tweeters, 10 Watts Per Channel. Subwoofer: (1) 4-inch Subwoofer (internal), Ported Subwoofer Enclosure, 25 Watts.