
Sonos ARCG2US1BLK
Score: 85/100
Klipsch Flexus CORE 210
Score: 95/100Rankings

The Flexus CORE 210 delivers powerful 185 W output, impressive Dolby Atmos immersion and dialogue clarity, while offering a range of connectivity options. It shines in home-theater and gaming scenarios but requires wall-mounting and an optional rear-speaker kit for full surround.

The Sonos Arc Ultra is a premium 9.1.4-channel Dolby Atmos soundbar delivering deep bass, clear dialogue, and a spacious 3-D soundstage, tightly integrated with the Sonos ecosystem. Its modern Wi-Fi 6 and Bluetooth 5.3 connectivity are strong, but the lack of HDMI inputs and DTS:X support limit flexibility.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 185 Wbest | |
9best | 6 | |
| ↓ lower better | 5.761 kgbest | 8.3 kg |
12 months | 24 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio Performance(2) | ||
Audio Channels | 9 | 6 |
Supported Audio Formats | Dolby: Stereo PCM, Dolby Digital, Dolby Digital Plus, Dolby Atmos, Dolby TrueHD, Multichannel PCM; DTS: DTS Digital Surround | Dolby Atmos |
Build & Design(2) | ||
Soundbar Weight (kg) | 5.761 kg | 8.3 kg |
Mounting Type | Wall-mount | Wall Mount |
Power & Battery(2) | ||
Power Source | AC mains | Mains |
Warranty Period (months) | 12 months | 24 months |
Connectivity(2) | ||
Bluetooth Version | 5.3 | 5.0 |
Optical Input | false | true |


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

Professional reviewers praise the Arc Ultra as a top-tier all-in-one Dolby Atmos soundbar, highlighting its powerful bass, clear dialogue, and immersive soundstage, while noting the missing HDMI inputs and DTS:X support as drawbacks.
Everyday users love the deep bass, crystal-clear dialogue, and seamless Sonos integration, but complain about the absence of HDMI inputs, occasional app crashes, and the need for a separate optical adapter.

Professional reviewers rate the Flexus CORE 210 as a top-tier mid-range soundbar that punches above its class, highlighting its powerful 185 W output, precise Dolby Atmos rendering, and standout dialogue clarity thanks to the horn-loaded tweeter.
Everyday users overwhelmingly praise the system's dialogue clarity, booming bass, and immersive Atmos experience, often calling it a "cinema-like" upgrade to their living rooms.
“Bass is shockingly deep for a soundbar-no subwoofer needed for most content.”

“Dialogue is crystal clear, even in action scenes.”

“Easy setup and seamless integration with other Sonos speakers.”


