KEF XIO Soundbar
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Discover the XIO Soundbar, designed to elevate your home cinema experience. Whether you are enjoying films, shows, or streaming music, our soundbar will transform your viewing with Dolby Atmos and 5.1.2 spatial audio, creating transcendent cinematic soundscapes that perfectly complement your television. Immerse yourself in truly engaging audio, powered by our Music Integrity Engine®, delivering hyper-realistic sound with crystal-clear dialogue and vocals that bring every scene to life.
3D Cinematic Sound
Immerse yourself in a world where sound moves around you. Enabled by spatial audio technology, you experience a three-dimensional soundscape that transforms your entertainment experiences. Supported formats include: Dolby Atmos, DTS:X, Sony 360 Reality Audio, Up-mixing Of Mono/Stereo.
All-in-One Performance:
XIO delivers true cinematic audio experiences with its 5.1.2 configuration and 12 Class D amplifiers.
Revolutionary sound correction
What if your sound system could listen to itself and adjust in real time to deliver perfectly accurate audio? KEF’s patent-pending Velocity Control Technology (VECO) does just that. A built-in sensor within the bass driver monitors coil motion in real-time, employing a negative feedback loop to dramatically minimise distortion and compression. This groundbreaking innovation delivers ultra-clean, deep bass and a listening experience free from unwanted artifacts.
Features
- XIO delivers a truly cinematic experience with its full 5.1.2 speaker configuration and 12 discreet amplifiers.
- XIO is engineered for seamless connectivity and easy streaming featuring HDMI eARC, WiFi, Apple Airplay, Bluetooth 5.3, Optical, Spotify Connect, Tidal Connect, Google Cast, Apple Music, Amazon Music, and Qobuz Connect.
- XIO brings the world of spatial audio into your home transforming your entertainment experience. XIO effortlessly plays Dolby Atmos, DTS:X, Sony 360 Reality Audio, and more by Up-mixing of Mono/Stereo.
- Easily place XIO on a credenza or mount it to a wall using the included hardware. XIO automatically senses its position and adjust its speakers accordingly.
- Effortless control using the included customisable remote, KEF Connect App, or your smart remote. Easily switch between movie, dialogue and night modes.
Specifications
- Model XIO
- Dimensions (HWD) 70 × 1210 × 165 mm (2.8 x 47.6 x 6.5 in.)
- Weight 10.5 kg (23.1 lbs)
-
Drive units
- HF/MF: 6 x 50 mm (2 in.) Uni-Q MX driver
- HF/MF: 2 x 50 mm (2 in.) full range driver
- LF: 4 pcs of 50 x 180 mm (2 x 7 in.) P185 driver supported by VECO
- Amplifiers
- HF/MF: 8 x Class D
- LF: 4 x Class D
- Max SPL measured at 1m 102 dB
- Frequency response (±3dB) measured at 85dB/1m 34Hz - 20kHz
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Input
- HDMI 2.1 eARC
- TOSLINK Optical
- USB Type C (service)
- RJ45 Ethernet (network)
- Outputs
- Wireless Subwoofer output
- RCA Subwoofer output
- Wireless connectivity
- KEF Connect
- AirPlay
- Google Cast
- UPnP Compatible
- Bluetooth 5.3
- Streaming services
- Spotify via Spotify Connect
- Tidal via Tidal Connect
- QQ Music via Qplay
- Amazon Music
- Qobuz
- Deezer
- HIGHRESAUDIO
- Internet Radio
- Podcast…and more *Depends on services availability in different countries
- Supported formats
- Dolby Atmos, DTS:X, 360 Reality Audio, MPEG-H, FLAC, WAV, AIFF, ALAC, AAC, WMA, MP3, M4A, LPCM and Ogg Vorbis*Depends on support of the source device
- Supported resolution
- HDMI eARC up to 192 kHZ/24 bit
- Network up to 384 kHz/24 bit
- Optical up to 96 kHz/24 bit *Depends on source resolution
- Multi-channels output Up to 5.1.2
- Wi-Fi Network Frequency Band 2.4 GHz / 5 GHz/ 6 GHz
-
Wi-Fi network standard
- IEEE 802.11a/b/g/n/ac/ax
- IPv4, IPv6
- Amplifier output power 820 W (Instantaneous total power rating)
- Power input 100 – 240VAC 50/60Hz
- Power consumption
- 400 W (Maximum operating power)
- <2.0W (ECO mode standby power)
- <0.5W (Non WiFi mode)
Awards & Reviews

Includes
- XIO Soundbar
- Remote
- AAA Batteries
- HDMI Cable
- Power Cable
- Wall Mounting Kit
- Wall Mounting Template
- Product Guide