KEF XIO Silver Grey vs LG S77S
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Choosing between the KEF XIO Silver Grey and LG S77S? 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 KEF XIO Silver Grey scores higher in form factor, room fit. The LG S77S leads in value. They score similarly in ease of use.
These soundbars differ in only the KEF XIO Silver Grey 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 | N/A | $449.00 |
| Channel Config | 5.1.2 | — |
| Total Power (RMS) | 820W | — |
| Driver Count | 12 | — |
| Freq Response Low | — | — |
| Freq Response High | — | — |
| Passive | No | — |
| Dolby Atmos | Yes | — |
| Dolby Digital+ | Yes | — |
| Dolby TrueHD | Yes | — |
| DTS:X | Yes | — |
| 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 | 1 | — |
| HDMI Version | 2.1 | — |
| Optical Input | Yes | — |
| Analog Stereo In | No | — |
| Sub Pre-Out | Yes | — |
| Ethernet | Yes | — |
| Bluetooth | Yes | — |
| BT Version | 5.3 | — |
| Wi-Fi | Yes | — |
| Wi-Fi Standard | Wi-Fi 6 | — |
| AirPlay 2 | Yes | — |
| Chromecast | Yes | — |
| Spotify Connect | Yes | — |
| Voice Assistants | — | |
| Room Calibration | KEF Connect | — |
| Dialog Enhancement | Yes | — |
| Night Mode | Yes | — |
| App Control | KEF Connect | — |
| Wall Mountable | Yes | — |
Key Differences
- Channel Config: KEF XIO Silver Grey at 5.1.2 vs LG S77S at —
- Total Power (RMS): KEF XIO Silver Grey at 820W vs LG S77S at —
- Driver Count: KEF XIO Silver Grey at 12 vs LG S77S at —
- Passive: KEF XIO Silver Grey at No vs LG S77S at —
- Dolby Atmos: KEF XIO Silver Grey at Yes vs LG S77S at —
