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*Actual product colour may vary from the AR shown.
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**This feature is not supported on Chrome for iOS devices.
*Actual product colour may vary from the AR shown.
**This feature is not supported on Chrome for iOS devices.
**This feature is not supported on Chrome for iOS devices.
Pair it with
XIO - Much More Than Just A Soundbar
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.
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.
*Additional wireless surround feature with KEF wireless speakers will be available in Autumn 2025
The Details
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
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
LF: 4 x Class D
Max SPL
measured at 1m
measured at 1m
102 bB
Frequency response (±3dB)
measured at 85dB/1m
measured at 85dB/1m
34Hz - 20kHz
Input
HDMI 2.1 eARC
TOSLINK Optical
USB Type C (service)
RJ45 Ethernet (network)
TOSLINK Optical
USB Type C (service)
RJ45 Ethernet (network)
Outputs
Wireless Subwoofer output
RCA Subwoofer output
RCA Subwoofer output
Wireless connectivity
KEF Connect
AirPlay
Google Cast
UPnP Compatible
Bluetooth 5.3
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
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
*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
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
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)
<2.0W (ECO mode standby power)
<0.5W (Non WiFi mode)
VIDEO
Please visit our Product Support page for more details. KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.
See How It Looks In Your Home
Unsure which speaker to choose? Use our Augmented Reality feature to see how XIO would look in your home.
*Actual product colour may vary from the AR version shown.
**This feature is not supported on Chrome for iOS devices.
**This feature is not supported on Chrome for iOS devices.
What's In The Box?
- XIO Soundbar
- Remote
- AAA Batteries
- HDMI Cable
- Power Cable
- Wall Mounting Kit
- Wall Mounting Template
- Product Guide
Listen And Believe
Discover transcendent home entertainment experiences with XIO. Book a demo and experience it yourself.
FIND A RETAILERFAQs
What sets XIO apart from other soundbars?
In a market brimming with options, the KEF XIO soundbar distinguishes itself through a blend of innovation, technology and design, making it a standout choice for audio enthusiasts. Here’s how XIO sets a new standard:
1. At the core of XIO is KEF's top-tier acoustic technology. Equipped with the groundbreaking KEF Uni-Q MX and P185 LF drivers, supported by VECO technology, the XIO soundbar delivers an unmatched immersive audio experience.
2. XIO is at the forefront of spatial audio technology, supporting a wide range of codecs including Dolby Atmos, DTS:X, and SONY 360 Reality Audio.
3. XIO features an advanced version of the W2 wireless connectivity suite, providing superior performance and reliability over its competitors. This allows seamless integration into any home setup without the clutter of wires.
4. With a modern design, the XIO soundbar boasts a sleek, contemporary look that complements any space. The soundbar features a premium grille fabric and an aluminum top panel that not only enhance its visual appeal but also contribute to its durability and functional elegance, drawing inspiration from contemporary interior design and architecture.
With these features, XIO not only excels in audio performance but also integrates beautifully into the aesthetic of any modern home, making it a top choice for users seeking the best in sound and design.
1. At the core of XIO is KEF's top-tier acoustic technology. Equipped with the groundbreaking KEF Uni-Q MX and P185 LF drivers, supported by VECO technology, the XIO soundbar delivers an unmatched immersive audio experience.
2. XIO is at the forefront of spatial audio technology, supporting a wide range of codecs including Dolby Atmos, DTS:X, and SONY 360 Reality Audio.
3. XIO features an advanced version of the W2 wireless connectivity suite, providing superior performance and reliability over its competitors. This allows seamless integration into any home setup without the clutter of wires.
4. With a modern design, the XIO soundbar boasts a sleek, contemporary look that complements any space. The soundbar features a premium grille fabric and an aluminum top panel that not only enhance its visual appeal but also contribute to its durability and functional elegance, drawing inspiration from contemporary interior design and architecture.
With these features, XIO not only excels in audio performance but also integrates beautifully into the aesthetic of any modern home, making it a top choice for users seeking the best in sound and design.
How do I connect XIO soundbar to a subwoofer?
Connecting your XIO soundbar to a subwoofer can enhance your audio experience by adding depth and impact to the sound. You have two convenient options for connecting a subwoofer:
1. RCA Subwoofer Output: Utilise the RCA output on your XIO soundbar to connect any standard wired subwoofer. This provides a reliable and direct connection.
2. Wireless Subwoofer Output via KW2: For a seamless wireless connection, use the KW2 RX Receiver, which is ideal for KEF subwoofers. Simply attach the wireless module to the back of a compatible subwoofer to enjoy a clutter-free setup.
Both methods ensure easy integration and optimal performance, allowing you to customise your home audio environment according to your preferences.
1. RCA Subwoofer Output: Utilise the RCA output on your XIO soundbar to connect any standard wired subwoofer. This provides a reliable and direct connection.
2. Wireless Subwoofer Output via KW2: For a seamless wireless connection, use the KW2 RX Receiver, which is ideal for KEF subwoofers. Simply attach the wireless module to the back of a compatible subwoofer to enjoy a clutter-free setup.
Both methods ensure easy integration and optimal performance, allowing you to customise your home audio environment according to your preferences.
What are Dolby Atmos, DTS:X, and Sony 360 Reality Audio, and how do they enhance the sound experience?
Dolby Atmos, DTS:X, and Sony 360 Reality Audio are advanced object-based audio technologies that create immersive soundscapes by placing sounds in a three-dimensional space. Unlike traditional surround sound, these codecs allow audio elements like raindrops or footsteps to come from specific directions, including overhead, enhancing the realism of any audio experience.
The KEF XIO soundbar supports all three codecs, a rare feature in soundbars that ensures users can enjoy the latest advancements in cinematic and music audio technology. This comprehensive compatibility enhances movies, music, and games by providing an unparalleled immersive audio experience, making XIO a premier choice for high-end audio enthusiasts.
The KEF XIO soundbar supports all three codecs, a rare feature in soundbars that ensures users can enjoy the latest advancements in cinematic and music audio technology. This comprehensive compatibility enhances movies, music, and games by providing an unparalleled immersive audio experience, making XIO a premier choice for high-end audio enthusiasts.
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