LG S70TY vs Sonos Arc Ultra Black
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Choosing between the LG S70TY and Sonos Arc Ultra Black? Both compete in the Soundbar segment. Here’s how they compare across the specs that matter most for your home theater.
Looking at overall performance dimensions: The LG S70TY scores higher in value. The Sonos Arc Ultra Black leads in form factor, room fit. They score similarly in ease of use.
These soundbars differ in only the Sonos Arc Ultra Black includes Dolby Atmos support. Atmos support and included subwoofer can significantly impact the immersive experience.
These two Soundbar options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | $299.99 | N/A |
| Channel Config | — | 9.1.4 |
| Total Power (RMS) | — | — |
| Driver Count | — | 14 |
| Freq Response Low | — | — |
| Freq Response High | — | — |
| Passive | — | No |
| Dolby Atmos | — | Yes |
| Dolby Digital+ | — | Yes |
| Dolby TrueHD | — | Yes |
| DTS:X | — | No |
| DTS Virtual:X | — | No |
| DTS-HD Master | — | No |
| Built-in Sub | — | No |
| Wireless Sub Included | — | No |
| Wireless Sub Support | — | Yes |
| Wireless Surround Support | — | Yes |
| HDMI eARC | — | Yes |
| HDMI Inputs | — | 0 |
| HDMI Version | — | 2.1 |
| Optical Input | — | No |
| Analog Stereo In | — | No |
| Sub Pre-Out | — | No |
| Ethernet | — | Yes |
| Bluetooth | — | No |
| BT Version | — | — |
| Wi-Fi | — | Yes |
| Wi-Fi Standard | — | Wi-Fi 6 |
| AirPlay 2 | — | Yes |
| Chromecast | — | No |
| Spotify Connect | — | No |
| Voice Assistants | — | Alexa, Google Assistant |
| Room Calibration | — | Trueplay |
| Dialog Enhancement | — | Yes |
| Night Mode | — | Yes |
| App Control | — | Sonos |
| Wall Mountable | — | Yes |
Key Differences
- Channel Config: LG S70TY at — vs Sonos Arc Ultra Black at 9.1.4
- Driver Count: LG S70TY at — vs Sonos Arc Ultra Black at 14
- Passive: LG S70TY at — vs Sonos Arc Ultra Black at No
- Dolby Atmos: LG S70TY at — vs Sonos Arc Ultra Black at Yes
- Dolby Digital+: LG S70TY at — vs Sonos Arc Ultra Black at Yes
