Vizio M21d-H8 vs LG SLM4R review
Vizio M21d-H8 vs LG SLM4R comparison definitely makes sense. Based on our rating, M21d-H8 has a total rating of 5 out of 10 versus 5.2 for SLM4R. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, volume down, volume up, function, respectively.
Audio features
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Vizio M21d-H8 has 2.1 versus 4.1 for the LG SLM4R. Only the Vizio M21d-H8 has a built-in subwoofer. The Vizio M21d-H8 got our rating of 5 out of 10, and the LG SLM4R 7 for its audio features and specs.
Streaming services
Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.
Connectivity
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Only the M21d-H8 supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, each of the soundbars received a rating of 6/10. App control is available for the SLM4R. A built-in microphone is present only on the M21d-H8. Soundbars do not have Multi-room support.
Multichannel surround
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround, each of the opponents received 5 points out of 10.
Advantages Vizio M21d-H8 over LG SLM4R
- Built-in subwoofer
- Audio return channel (HDMI ARC) support
- Microphone
Advantages LG SLM4R over Vizio M21d-H8
- Separate subwoofer in package
- App control
Common
Product
Model
Brand
Reviews
General
Placement type
Connection to source
Soundbar buttons
Audio features
Built-in channels
Amplification type
Output power, W
Separate speaker (in package)
Separate speaker connections
Subwoofer
Built-in subwoofer
Separate subwoofer (in package)
Separate subwoofer connections
Streaming services
Apple Music (AirPlay)
Amazon Music
Spotify
Other streaming services
Connectivity
WI-FI
Bluetooth
Ethernet (RJ45)
NFC
HDMI input/output
HDMI ARC
HDMI eARC
HDMI CEC
Optical digital input/output
USB
Coaxial digital input/output
Analog audio input/output (RCA)
Headphone output
Subwoofer output
Features
Voice control
App control
Microphone
Remote control
Multi-room
Multichannel surround
Dolby Atmos
Dolby (other)
DTS:X
DTS (other)
User manual
Manual
Dimensions
Size (Wx H x D), cm/in
Weight, kg/pounds
Other
Release year
Soundbars SoundStrokes Art comparison rating
- 5Vizio M21d-H8
- 5.2LG SLM4R
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