The Polk Audio Blackstone TL1 satellite speakers bring digital surround sound excitement to home entertainment in an ultra-compact design. The 1/2 silk dome tweeter and 2-1/2 mid-range driver coupled with Time Lens technology deliver smooth highs, superior audio detail and pinpoint imaging. Polk's proprietary, patented Dynamic Balance technology tunes out distortion-causing driver and system resonances. Polk Audio TL1 satellite speaker also features an "aperiodic-tuned rear port" that is designed for better bass extension and a pleasing mid-bass boost, with the ability to deliver great sound even in the open or against a wall. Polk Blackstone TL1 proves that you don't need a big speaker to enjoy big sound. The TL1 satellite speaker Hi-Gloss ""Blackstone"" finish matches today's most stylish flat-panel TVs and furniture. Built-in keyhole slots and threaded inserts makes for easy mounting of the speaker.