The S325 Soundbar is a 2.2 speaker system for LCD TV and Home Theater. Featuring 80 Watts of high definition sound, this Soundbar speaker system has Powerful dual 3″ woofers and full range 2.5” drivers to provide crisp, clean Home theater effects.Frequency Response-40 Hz to 20 kHz, Audio-Subwoofer Type-Active, Physical Characteristics-Height-4.5,