Add to Cart:
38” 2.1 Home Theater Sound Bar with Wireless Subwoofer
Add a SquareTrade Protection Plan:Learn More
Covers all normal-use mechanical/electrical failures
100% parts and labor, no deductibles
Free shipping on all depot repairs
5-day service guarantee
Audio Built to Boom.
Upgrade to Premium Audio.
Upgrade your TVs audio with VIZIO’s 38” 2.1 Home Theater Sound Bar with Wireless Subwoofer. The perfect addition to any small to medium sized HDTV, this sound bar connects easily to your TV with just one cable. The wireless subwoofer adds bass missing from your TV, all 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 100 dB with less than 1% Total Harmonic Distortion*, the S3821w is one serious audio upgrade.
*Sound Pressure Level measured using pink noise at 1 meter, C-weighted. Total harmonic distortion calculated as electrical measurement of amplifier distortion.
**Wireless Subwoofer range approximately 60 feet – line of sight from Sound bar.
VIZIO, Inc. has made every effort to ensure the accuracy of the information provided herein. All product specifications, functionality, features, configurations, performance, design and other product information described herein are subject to change without notice. VIZIO, Inc. disclaims liability for typographical, technical, or descriptive errors.
- Sound Bar Size38”
- Sound Bar SpeakersLeft & Right Channels (each) – 3.0” full-range drivers
- Sound Pressure Level100 dB
- Sound Bar Frequency50 Hz - 19 kHz
- Wireless Range (Subwoofer)60’ Line of sight
- Sound Bar ButtonsPower, Input, Bluetooth, Volume Up, Volume Down
- Power Input120V 60 Hz
- InstallationTable top and wall-mountable
- Package ContentsSound Bar, Wireless Subwoofer, Remote, RCA to 3.5mm Audio Cable, Digital Coaxial Cable, Optical Digital Cable, Wall mounts, Quick Start Guide, Sound Bar Power Cable, Wireless Subwoofer Power Cable
Audio Tech Specs
- Subwoofer Speaker6.0” Subwoofer
- Subwoofer Frequency50 Hz - 100 Hz
- Audio Decoding TechnologyDolby Digital®
- Sound Enhancement TechnologyDTS TruSurround™, DTS TruVolume™
- Analog Audio Input1 x Stereo RCA
- Analog Audio Input1 x 3.5mm stereo mini jack
- Digital Audio Input1 x RCA (Coaxial)
- Digital Audio Input1 x Optical (Toslink)
- USB Input1 x USB (for .WAV audio Playback)
Dimensions and Weight
- Product Dimensions37.94”W x 3.63”H x 2.88”D
- Product with Stand Weight5.2 lbs.
- Subwoofer Dimensions13.5"W x 11.0”H x 6.0”D
- Subwoofer Weight9.5 lbs.
- Product Packaging Dimensions40”H x 7.6”W x 17.0”D
- Product Packaging Weight20 lbs.
- WarrantyOne Year Parts & Labor. Free Lifetime Technical Support.