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    VIZIO SmartCast™ SB4551-D5 45" 5.1-Channel Soundbar System with 26.5" Wireless Subwoofer
    Product # 18729
    Out of Stock ETA: TBD


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    VIZIO SmartCast™ SB4551-D5 45" 5.1-Channel Soundbar System with 26.5" Wireless Subwoofer

    Simply Immersive.
    Introducing the all-new VIZIO SmartCast™ 45" 5.1 Sound Bar System. Combining high-caliber audio with elegant style, and Google Cast™ built in. What you love won't change, but how you experience it will never be the same.
    104 dB
    Sound That Moves You
    From the roar of a crowd to the screech of a car chase, experience every detail in amazing clarity as loud as 104 dB2 with less than 1% Total Harmonic Distortion.
    30 Hz
    Bass You Can Feel.
    From the rumble of a concert to the pulse of your party playlist, the slender wireless subwoofer delivers roof-shaking bass as deep as 30 Hz.
    The New Style of Sound
    Slender Form Factor.
    Crafted to command uncompromised sound from a slimmer compact design.
    Slim Profile Subwoofer.
    With a thinner minimal design and detachable legs, the new subwoofer allows a horizontal or vertical position that fits conveniently beside or beneath your furniture.
    Experience VIZIO SmartCast™
    VIZIO SmartCast™ brings together your favorite entertainment into one simple experience. Discover, cast and control your music on your Sound Bar from your mobile device using VIZIO SmartCast™ App.1
    Turn Your Phone Into The Ultimate Remote.
    Easily set up and control your Sound Bar like never before with the VIZIO SmartCast™ App.1 
    Download for free on the App Store® and Google Play™.
    SmartCast™ App
    Download 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.
    Cast From Apps You Already Know and Love.
    All VIZIO SmartCast™ audio products have Google Cast™ built in – the same technology behind Chromecast – which allows you to cast your favorite content from your phone to your TV / Display or Sound Bars. Access millions of songs, podcasts and more.
    Elevated Engineering
    VIZIO SmartCast™ Sound Bars are crafted with custom drivers and technologies from the industry leaders of audio.
    DTS Digital Surround
    DTS® audio technologies enable richer sound and dialogue with deeper bass.
    Dolby Audio
    Dolby® audio technologies deliver dynamic sound to your TV shows, movies and music.
    Tech Specs
    Sound Bar Size45"
    Sound Bar SpeakersLeft & Right: 4” / Center: 4”
    Sound Bar Frequency Response30 Hz – 20 kHz
    Subwoofer Speakers8"
    Subwoofer Frequency Response30 Hz – 120 Hz
    Sound Pressure Level104 dB
    Sound Enhancement TechnologyDolby Digital®, DTS Studio Sound™, DTS TruSurround™, DTS TruVolume™
    Sound Bar ButtonsPower, Input, Bluetooth, Volume Up, Volume Down
    RemoteYes, w/ LCD Display
    InstallationTable Top and Wall-Mountable
    Package ContentsSound Bar, Wireless Subwoofer, Rear Satellite Speakers, 5’ RCA to 3.5mm Mini Jack, 5’ 3.5 to 3.5mm (Mini Jack), 5’ Coaxial Cable, 5’ Optical Cable (Toslink), 5’ HDMI Cable, Power Cord (x2), Wall Mounts, Remote
    Analog Audio Input3.5mm stereo mini jack
    Digital Audio InputRCA (Coaxial / SPDIF)
    Digital Audio OutputOptical (Toslink)
    USB InputUSB (for .WAV Audio Playback)
    Bluetooth® InputBluetooth 4.1 LE
    HDMI InputHDMI
    Wi-Fi Input802.11n
    Ethernet InputRJ45 jack
    Output 1HDMI ARC
    IR ReceiverUp to 30 feet
    Dimensions and Weight
    Product Dimensions45”W x 2.01”H x 2.01”D
    Product with Feet Weight3.64 lbs
    Subwoofer Dimensions26.5”W x 15.35”H x 3.47”D
    Subwoofer Weight15.54 lbs
    Product Packaging Dimensions17.4”W x 7.2”H x 48.15”D
    VIZIO Warranty
    WarrantyOne Year Parts & Labor. Free Lifetime Technical Support.
    Start typing your question and we'll check if it was already asked and answered. Learn More
    Browse 1 question Browse 1 question and 1 answer
    Do the surround speakers plug into the main unit or into the wireless sub?
    Marlon C on Oct 30, 2017
    BEST ANSWER: The rear speakers plug into the wireless sub
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