
Vizio M213ad
Score: 86/100
Sonos Arc Ultra
Score: 89/100Rankings

The Sonos Arc Ultra paired with the Sub 4 delivers a premium 9.1.4 Dolby Atmos home-theater experience, featuring extensive codec support, Trueplay calibration, and sleek matte design. It excels in immersive audio and connectivity but is limited by a single HDMI port and the heft of the subwoofer.

The VIZIO M-Series M213ad-K8 delivers powerful 2.1 sound with dual subwoofers, strong bass, and a suite of immersive audio formats in a compact package. It shines with easy HDMI ARC setup and dialogue enhancement, but lacks HDMI eARC and true Dolby Atmos, making it less future-proof for high-end home-theater setups.
| Attribute | ![]() | ![]() |
|---|---|---|
80 wattsbest | — | |
98 dBbest | — | |
50 Hzbest | — | |
20,000 Hzbest | — | |
2.1best | — | |
| ↓ lower better | 2.268 kgbest | 5.9 kg |
1 countbest | 1 countbest | |
1 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Physical Specs(1) | ||
Weight (kg) | 2.268 kg | 5.9 kg |
Connectivity(1) | ||
Bluetooth Version | 5.0 | 5.3 |
Audio Performance(1) | ||
Supported Audio Formats | Dolby Atmos, Dolby Audio, DTS Digital Surround, DTS Virtual:X | Dolby Atmos, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Multichannel PCM, Stereo PCM, DTS Digital Surround |
Accessories(1) | ||
Remote Control Included | true | false |
Design & Build(1) | ||
Finish | Black | matte |


Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the striking performance and clear, dynamic sound, highlighting the easy HDMI ARC setup and DTS Virtual:X immersion, while noting the absence of HDMI eARC and Dolby Atmos limits its appeal to audiophiles.
Everyday users love the dramatic improvement in movie and gaming audio, the straightforward installation, and the deep bass from the dual subwoofers, though some complain about Bluetooth glitches and limited EQ options.

Reviewers praise the Arc Ultra for its clean, precise, three-dimensional soundstage and deep bass, while noting the lack of HDMI inputs and limited DTS support.
Users love the crystal-clear dialogue, powerful bass and seamless Sonos integration, but many mention the missing HDMI inputs and the Sub 4's weight.
“Unbelievable movie experience”

“Easy installation”

“Fills the room”


