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VIZIO M-Series All-in-One 2.1 Home Theater Sound Bar M21D-H8

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Product Description

VIZIO has redesigned your entertainment experience. The M-Series All-in-One 2.1 Home Theatre Sound Bar is a complete experience, simplified. A modern, low-profile design that will blend seamlessly into your environment. While its two full-range speakers and built-in dual 3-inch subwoofer that delivers deep bass to fill your room. Dolby Audio and DTS Digital Surround enhance 4K HDR content for a high-quality theatre experience.
  • All-In-One Design - Experience the performance and features of a traditional home theater system in a simple, all-in-one solution designed to blend seamlessly into any home.
  • Built in Bass - Enjoy deep bass built-in for your favorite movies, music, and gaming without the need for additional speakers and wires.
  • Immersive Sound - 4K HDR content is enhanced with Dolby Audio for the highest-fidelity sound, while DTS Virtual:X creates room-filling, floor-to-ceiling, virtualized 3D sound that enhances any content into an incredibly immersive experience.
  • The Ultimate Connection - Bring out the best audio performance from your 4K HDR content with Dolby Audio and DTS Digital Surround when connected through HDMI.
  • Voice Assistant Ready - Connect Google Assistant, Siri, or Alexa devices via dedicated AUX input or Persistent Bluetooth that is always ready for your command, even while watching a movie.


  • Vizio M-Series All-in-One 2.1 Home Theater Sound Bar
  • Remote control


  • Tech Data:
    • Total Number of Speakers: 6
    • Speaker Channels: 2.1
    • Subwoofer Size (inches): 3.0
    • Subwoofer Size (cm): 7.62
    • Subwoofer Size (mm): 76.2
    • Number of Subwoofers: 2
    • Subwoofer Frequency Response: 50Hz
    • System Frequency Response: 50Hz - 20kHz
    • Sound Pressure Level (dB): 98
    • DTS TruVolume: Yes
    • Remote Control: Yes
    • Remote Control Type: Standard
    • Wall Mountable: Yes
    • DTS Virtual:X: Yes
  • Sound Bars:
    • Sound Bar Length (inches): 36.0
    • Sound Bar Length (cm): 91.44
    • Sound Bar Length (mm): 914.4
    • Sound Bar Speaker Size (cm): 0.00
    • Sound Bar Speaker Size (mm): 0.0
    • Sound Bar Buttons: Power, Input, Bluetooth, Volume UP, Voulme DOWN
    • Speaker Height: (cm): 0.00
    • Speaker Diameter (cm): 0.00
    • Sound Bar Speaker Size (cm): 0.00
    • Sound Stand Size (cm): 0.00
    • Sound Stand Speaker Size (cm): 0.00
  • Inputs:
    • Analog 3.5mm stereo mini jack: Yes
    • Optical (Toslink): Yes
    • USB (for. WAV Audio Playback): Yes
    • Blutetooth: Yes
    • HDMI: Yes
    • IR Receiver: Up to 30 feet
  • Outputs:
    • HDMI ARC: Yes
  • Power:
    • Standby Power Consumption: <1W
    • Power Frequnecy: 120V-240V / 50-60Hz
  • Custom Attributes:
    • HDMI Ports: 2 (1In/1 Out)


Model Number M21D
Multimedia Keys Power, Input, Bluetooth, Volume UP, Voulme DOWN


Additional Accessories Included remote control, HDMI and all audio cables included


Operating System Compatibility Amazon Alexa, Google Assistant, Siri

Ports (input/output)

Number of HDMI Outputs 2
Number of USB Ports 1


Bluetooth Enabled Yes
Connection Type 3.5mm audio, HDMI, Optical Digital Audio, USB


Franchise Speaker


Manufacturer's Warranty 1 Year

Pre-Owned Gaming Guarantee

Guaranteed to work
May not include original box or manual
Pictured item may not represent condition received
7 day money back guarantee
Most purchases can be returned within 30 days for free in-store or online