PowerBass MS-42031WL Powered Soundbar with Wireless Subwoofer 39" Integra Cinema Series Home Theater Sound Bar with Wireless Subwoofer Digital Sound Processor Circuitry Optimizes the Sound bar to Any Room All Digital Circuit Design w/ Internal Distortion Limiter for Crystal Clear Sound Internal SRS Processing Chip, Fully Supports Virtual Surround Sound Effects 2.4Ghz Wireless 6.5" Long Throw Subwoofer with Internal Amplifier