Upgrade to premium audio with VIZIO's 42 inches 2.1 Home Theater Sound Bar with Wireless Subwoofer. Designed to fit any medium to large sized HDTV, this sound bar connects easily to your TV with just one cable. The wireless subwoofer adds deep, room shaking bass to your room without the need to run any extra wires. Built-in Bluetooth allows you to wirelessly stream music from a smartphone or tablet, while Dolby Digital and DTS Digital Surround audio technologies turn movies, TV and games into an immersive audio experience. Rated at 101dB with less than 1 percent Total Harmonic Distortion, the S4221w is a serious audio upgrade you can hear and feel. Sound Pressure Level measured using pink noise at 1 meter, C-weighted. Total harmonic distortion calculated as electrical measurement of amplifier distortion.