VIZIO SmartCast 38" 3.1 Channel Soundbar System - SB3831-D The VIZIO SmartCast 38" 3.1 Channel Sound Bar System (SB3831-D) delivers surround sound that produces up to 101 dB.  Wi-Fi streaming: Experience higher quality audio streaming over your homes Wi-Fi network Zero interruptions: Keep using your device while you cast Battery friendly: Cast for as long as you want without draining the battery in your mobile device Back About This Item We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. See our disclaimer Introducing the all-new VIZIO SmartCast 38" 3.1 Channel Soundbar System - SB3831-D. The included wireless subwoofer together with the 3-channel sound bar deliver immersive surround sound at levels up to 101 dB. Download the VIZIO SmartCast app to turn your mobile device into the ultimate remote and discover music across multiple apps at once. With Google Cast built-in, you can cast your favorite tunes from 100+ audio apps you already know and love to your sound bar. Connect multiple VIZIO SmartCast sound bars or speakers together to cast the same or different music to any or every room. VIZIO SmartCast 38" 3.1 Channel Soundbar System - SB3831-D Key Features: Three channel sound bar and included wireless subwoofer deliver incredible audio performance: 101 dB of room filling, crystal clear sound with less than 1% total harmonic distortion. With Chromeast built-in cast your favorite tunes from y our phone to your VIZIO SmartCast Sound Bar.  Simply tap the Cast button from 100+ audio apps you already know and love to start playing on your sound bar Dowload the VIZIO SmartCast app to turn your smartphone or tablet into a powerful touchscreen remote.  Search and browse content across multiple apps at once.  Control multiple VIZIO SmartCast sound bars or speakers from anywhere in your home Wi-Fi Streaming: Experience higher quality audio streaming over your homes Wi-Fi network, without interruptinos from phone calls or texts compared to Bluetooth Zero Interruptions: Keep using your device while you cast without disrupting the music even if you get a text or phone call Battery-Friendly: Cast for as long as you want without draining the battery in our mobile device.