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Product Description

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The KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle is a premium home theater audio system built for immersive Dolby Atmos sound and deep, powerful bass. The XIO Soundbar delivers 5.1.2-channel spatial audio with 820W instantaneous total power, KEF Uni-Q MX drivers, HDMI eARC, Wi-Fi 6, AirPlay 2, Google Cast, and Bluetooth 5.3. The Kube 15 MIE subwoofer adds a 15-inch driver, 300W RMS Class-D amplification, and Music Integrity Engine processing for controlled low-frequency performance. The included KW2 RX Receiver enables flexible wireless subwoofer signal placement for a cleaner, more streamlined entertainment setup.
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Features & Specs Line Circle

Complete KEF Home Theater Bundle
This package pairs the KEF XIO Soundbar with the KEF Kube 15 MIE subwoofer and KW2 RX Receiver, creating a cleaner, more powerful system for movies, music, TV, and gaming.
Immersive 5.1.2 Spatial Audio
The XIO Soundbar supports Dolby Atmos, DTS:X, and Sony 360 Reality Audio, using KEF’s driver architecture and acoustic processing to create a wide, room-filling soundstage from one sleek bar.
High-Output Soundbar Performance
Twelve discrete Class-D amplifiers deliver 820W instantaneous total power, helping the XIO reproduce dynamic effects, clear dialogue, and high-impact soundtracks with control and precision.
Deep 15-Inch Subwoofer Bass
The Kube 15 MIE features a 15-inch front-firing driver, sealed enclosure, Music Integrity Engine processing, and 300W RMS Class-D amplification for low-frequency extension down to 20 Hz.
Flexible Wireless Subwoofer Signal Placement
The KW2 RX Receiver enables wireless audio transmission from the XIO Soundbar to the subwoofer area, helping minimize long signal cables while maintaining synchronized bass performance.
Modern Streaming and TV Connectivity
HDMI eARC, optical input, Ethernet, Wi-Fi 6, AirPlay 2, Google Cast, Bluetooth 5.3, KEF Connect, and broad streaming-service support make the bundle easy to integrate into a modern entertainment system.
Complete KEF Home Theater Bundle
This package pairs the KEF XIO Soundbar with the KEF Kube 15 MIE subwoofer and KW2 RX Receiver, creating a cleaner, more powerful system for movies, music, TV, and gaming.
Immersive 5.1.2 Spatial Audio
The XIO Soundbar supports Dolby Atmos, DTS:X, and Sony 360 Reality Audio, using KEF’s driver architecture and acoustic processing to create a wide, room-filling soundstage from one sleek bar.
High-Output Soundbar Performance
Twelve discrete Class-D amplifiers deliver 820W instantaneous total power, helping the XIO reproduce dynamic effects, clear dialogue, and high-impact soundtracks with control and precision.
Deep 15-Inch Subwoofer Bass
The Kube 15 MIE features a 15-inch front-firing driver, sealed enclosure, Music Integrity Engine processing, and 300W RMS Class-D amplification for low-frequency extension down to 20 Hz.
Flexible Wireless Subwoofer Signal Placement
The KW2 RX Receiver enables wireless audio transmission from the XIO Soundbar to the subwoofer area, helping minimize long signal cables while maintaining synchronized bass performance.
Modern Streaming and TV Connectivity
HDMI eARC, optical input, Ethernet, Wi-Fi 6, AirPlay 2, Google Cast, Bluetooth 5.3, KEF Connect, and broad streaming-service support make the bundle easy to integrate into a modern entertainment system.

Expert Insight

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This KEF bundle delivers a strong balance of immersive surround performance, powerful bass, and clean system integration. The XIO Soundbar provides clear dialogue and spacious effects, while the Kube 15 MIE adds the low-end impact needed for movies, music, and gaming. With the KW2 RX Receiver included, the setup feels more flexible and refined than a traditional wired soundbar-and-subwoofer system.

Expert Img
Nathan Miller
Brand Manager

Details

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KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle

The KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle delivers a complete, high-impact home theater upgrade with immersive spatial audio, deep low-frequency performance, and flexible wireless subwoofer placement. The KEF XIO Soundbar anchors the system with 5.1.2-channel Dolby Atmos, DTS:X, and Sony 360 Reality Audio support, powered by twelve discrete Class-D amplifiers for clear dialogue, expansive sound effects, and KEF-engineered musical detail. The KEF Kube 15 MIE adds powerful, room-filling bass through a 15-inch front-firing driver, 300W RMS Class-D amplification, Music Integrity Engine processing, and a sealed cabinet designed for precise, controlled low-end impact. With the KEF KW2 RX Receiver included, the soundbar can transmit audio wirelessly to the subwoofer area, helping reduce long cable runs while preserving synchronized, high-quality bass performance.

What It's Good At:

  • Creating a cinematic Dolby Atmos and DTS:X soundstage from a sleek soundbar system
  • Adding deep, powerful bass with the 15-inch KEF Kube 15 MIE active subwoofer
  • Keeping installation cleaner with wireless signal transmission from XIO to the subwoofer area
  • Delivering crisp dialogue, immersive effects, and controlled low-frequency impact
  • Supporting music, movies, TV, and gaming with versatile wired and wireless connectivity
  • Blending premium KEF acoustic engineering with flexible, living-room-friendly placement

KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle Full Specifications:

  • Bundle Includes:
    • KEF XIO Soundbar
    • KEF Kube 15 MIE 15-Inch Active Subwoofer
    • KEF KW2 RX Receiver for XIO Soundbars
  • KEF XIO Soundbar Highlights:
    • 5.1.2-channel immersive soundbar with Dolby Atmos, DTS:X, and Sony 360 Reality Audio support
    • 820W instantaneous total amplifier output power
    • Driver array includes Uni-Q MX drivers, full-range drivers, and P185 woofers supported by VECO technology
    • HDMI 2.1 eARC, optical, Ethernet, wireless subwoofer out, and RCA subwoofer out
    • Supports KEF Connect, AirPlay 2, Google Cast, UPnP, Bluetooth 5.3, and major music streaming services
    • Frequency response: 34 Hz – 20 kHz; maximum SPL: 102 dB
    • Full Specifications: KEF XIO Soundbar
  • KEF Kube 15 MIE Subwoofer Highlights:
    • Powered sealed subwoofer with a 15-inch / 380 mm driver
    • 300W RMS Class-D amplifier for deep, controlled bass output
    • Frequency response: 20 Hz – 140 Hz; maximum output: 116 dB
    • Variable low-pass filter from 40 Hz – 140 Hz with LFE mode
    • RCA phono inputs, speaker-level inputs, and expansion port for KW1
    • Includes subwoofer, power cord, Euroblock speaker-level connector, user manual, and warranty information
    • Full Specifications: KEF Kube 15 MIE Subwoofer
  • KEF KW2 RX Receiver Highlights:
    • Wireless receiver designed for use with KEF XIO Soundbars
    • 2.4 GHz wireless transmission with up to 15 m line-of-sight range from XIO
    • 24-bit/48 kHz resolution with 20 Hz – 20 kHz frequency response
    • 57 ms latency and signal-to-noise ratio greater than 80 dB
    • USB-C power input with proprietary analogue, 3.5 mm analogue, and TOSLINK optical outputs
    • Compact design measuring 72 × 37 × 31 mm and weighing 50 g
    • Full Specifications: KEF KW2 RX Receiver

KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle Q&A:

What is included in this KEF home theater bundle?
This bundle includes the KEF XIO Soundbar, KEF Kube 15 MIE 15-inch active subwoofer, and KEF KW2 RX Receiver for wireless subwoofer signal transmission from the XIO Soundbar.
Does this bundle support Dolby Atmos?
Yes. The KEF XIO Soundbar supports Dolby Atmos, DTS:X, Sony 360 Reality Audio, and additional high-resolution audio formats for immersive home theater playback.
How does the KW2 RX Receiver help with setup?
The KW2 RX Receiver transmits audio wirelessly from the XIO Soundbar to the subwoofer area, helping reduce long cable runs and allowing more flexible subwoofer placement.
Is the subwoofer completely wireless?
The audio signal can be transmitted wirelessly to the KW2 RX Receiver, but the subwoofer still requires AC power and the receiver requires USB-C power.
How much bass does the Kube 15 MIE add?
The KEF Kube 15 MIE uses a 15-inch driver, 300W RMS Class-D amplifier, and 20 Hz – 140 Hz frequency response to deliver deep, powerful bass for movies, music, TV, and gaming.
Can the XIO Soundbar stream music?
Yes. The XIO supports KEF Connect, AirPlay 2, Google Cast, UPnP, Bluetooth 5.3, Spotify Connect, TIDAL Connect, Qobuz, Amazon Music, Deezer, Internet Radio, Podcasts, and more.
How far can the KW2 RX Receiver be placed from the XIO Soundbar?
The KW2 RX Receiver supports a maximum line-of-sight distance of up to 15 meters from the XIO Soundbar.
Can the XIO Soundbar be wall-mounted?
Yes. The XIO supports wall-mount or shelf/cabinet placement, and Intelligent Placement Technology helps optimize performance based on where the soundbar is installed.

Reviews

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Product Descriptiondown arrow

Product Description

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The KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle is a premium home theater audio system built for immersive Dolby Atmos sound and deep, powerful bass. The XIO Soundbar delivers 5.1.2-channel spatial audio with 820W instantaneous total power, KEF Uni-Q MX drivers, HDMI eARC, Wi-Fi 6, AirPlay 2, Google Cast, and Bluetooth 5.3. The Kube 15 MIE subwoofer adds a 15-inch driver, 300W RMS Class-D amplification, and Music Integrity Engine processing for controlled low-frequency performance. The included KW2 RX Receiver enables flexible wireless subwoofer signal placement for a cleaner, more streamlined entertainment setup.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

Complete KEF Home Theater Bundle
This package pairs the KEF XIO Soundbar with the KEF Kube 15 MIE subwoofer and KW2 RX Receiver, creating a cleaner, more powerful system for movies, music, TV, and gaming.
Immersive 5.1.2 Spatial Audio
The XIO Soundbar supports Dolby Atmos, DTS:X, and Sony 360 Reality Audio, using KEF’s driver architecture and acoustic processing to create a wide, room-filling soundstage from one sleek bar.
High-Output Soundbar Performance
Twelve discrete Class-D amplifiers deliver 820W instantaneous total power, helping the XIO reproduce dynamic effects, clear dialogue, and high-impact soundtracks with control and precision.
Deep 15-Inch Subwoofer Bass
The Kube 15 MIE features a 15-inch front-firing driver, sealed enclosure, Music Integrity Engine processing, and 300W RMS Class-D amplification for low-frequency extension down to 20 Hz.
Flexible Wireless Subwoofer Signal Placement
The KW2 RX Receiver enables wireless audio transmission from the XIO Soundbar to the subwoofer area, helping minimize long signal cables while maintaining synchronized bass performance.
Modern Streaming and TV Connectivity
HDMI eARC, optical input, Ethernet, Wi-Fi 6, AirPlay 2, Google Cast, Bluetooth 5.3, KEF Connect, and broad streaming-service support make the bundle easy to integrate into a modern entertainment system.
Complete KEF Home Theater Bundle
This package pairs the KEF XIO Soundbar with the KEF Kube 15 MIE subwoofer and KW2 RX Receiver, creating a cleaner, more powerful system for movies, music, TV, and gaming.
Immersive 5.1.2 Spatial Audio
The XIO Soundbar supports Dolby Atmos, DTS:X, and Sony 360 Reality Audio, using KEF’s driver architecture and acoustic processing to create a wide, room-filling soundstage from one sleek bar.
High-Output Soundbar Performance
Twelve discrete Class-D amplifiers deliver 820W instantaneous total power, helping the XIO reproduce dynamic effects, clear dialogue, and high-impact soundtracks with control and precision.
Deep 15-Inch Subwoofer Bass
The Kube 15 MIE features a 15-inch front-firing driver, sealed enclosure, Music Integrity Engine processing, and 300W RMS Class-D amplification for low-frequency extension down to 20 Hz.
Flexible Wireless Subwoofer Signal Placement
The KW2 RX Receiver enables wireless audio transmission from the XIO Soundbar to the subwoofer area, helping minimize long signal cables while maintaining synchronized bass performance.
Modern Streaming and TV Connectivity
HDMI eARC, optical input, Ethernet, Wi-Fi 6, AirPlay 2, Google Cast, Bluetooth 5.3, KEF Connect, and broad streaming-service support make the bundle easy to integrate into a modern entertainment system.
Expert Insightdown arrow

Expert Insight

Line Circle

This KEF bundle delivers a strong balance of immersive surround performance, powerful bass, and clean system integration. The XIO Soundbar provides clear dialogue and spacious effects, while the Kube 15 MIE adds the low-end impact needed for movies, music, and gaming. With the KW2 RX Receiver included, the setup feels more flexible and refined than a traditional wired soundbar-and-subwoofer system.

Expert Img
Nathan Miller
Brand Manager
Detailsdown arrow

Details

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KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle

The KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle delivers a complete, high-impact home theater upgrade with immersive spatial audio, deep low-frequency performance, and flexible wireless subwoofer placement. The KEF XIO Soundbar anchors the system with 5.1.2-channel Dolby Atmos, DTS:X, and Sony 360 Reality Audio support, powered by twelve discrete Class-D amplifiers for clear dialogue, expansive sound effects, and KEF-engineered musical detail. The KEF Kube 15 MIE adds powerful, room-filling bass through a 15-inch front-firing driver, 300W RMS Class-D amplification, Music Integrity Engine processing, and a sealed cabinet designed for precise, controlled low-end impact. With the KEF KW2 RX Receiver included, the soundbar can transmit audio wirelessly to the subwoofer area, helping reduce long cable runs while preserving synchronized, high-quality bass performance.

What It's Good At:

  • Creating a cinematic Dolby Atmos and DTS:X soundstage from a sleek soundbar system
  • Adding deep, powerful bass with the 15-inch KEF Kube 15 MIE active subwoofer
  • Keeping installation cleaner with wireless signal transmission from XIO to the subwoofer area
  • Delivering crisp dialogue, immersive effects, and controlled low-frequency impact
  • Supporting music, movies, TV, and gaming with versatile wired and wireless connectivity
  • Blending premium KEF acoustic engineering with flexible, living-room-friendly placement

KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle Full Specifications:

  • Bundle Includes:
    • KEF XIO Soundbar
    • KEF Kube 15 MIE 15-Inch Active Subwoofer
    • KEF KW2 RX Receiver for XIO Soundbars
  • KEF XIO Soundbar Highlights:
    • 5.1.2-channel immersive soundbar with Dolby Atmos, DTS:X, and Sony 360 Reality Audio support
    • 820W instantaneous total amplifier output power
    • Driver array includes Uni-Q MX drivers, full-range drivers, and P185 woofers supported by VECO technology
    • HDMI 2.1 eARC, optical, Ethernet, wireless subwoofer out, and RCA subwoofer out
    • Supports KEF Connect, AirPlay 2, Google Cast, UPnP, Bluetooth 5.3, and major music streaming services
    • Frequency response: 34 Hz – 20 kHz; maximum SPL: 102 dB
    • Full Specifications: KEF XIO Soundbar
  • KEF Kube 15 MIE Subwoofer Highlights:
    • Powered sealed subwoofer with a 15-inch / 380 mm driver
    • 300W RMS Class-D amplifier for deep, controlled bass output
    • Frequency response: 20 Hz – 140 Hz; maximum output: 116 dB
    • Variable low-pass filter from 40 Hz – 140 Hz with LFE mode
    • RCA phono inputs, speaker-level inputs, and expansion port for KW1
    • Includes subwoofer, power cord, Euroblock speaker-level connector, user manual, and warranty information
    • Full Specifications: KEF Kube 15 MIE Subwoofer
  • KEF KW2 RX Receiver Highlights:
    • Wireless receiver designed for use with KEF XIO Soundbars
    • 2.4 GHz wireless transmission with up to 15 m line-of-sight range from XIO
    • 24-bit/48 kHz resolution with 20 Hz – 20 kHz frequency response
    • 57 ms latency and signal-to-noise ratio greater than 80 dB
    • USB-C power input with proprietary analogue, 3.5 mm analogue, and TOSLINK optical outputs
    • Compact design measuring 72 × 37 × 31 mm and weighing 50 g
    • Full Specifications: KEF KW2 RX Receiver

KEF XIO Soundbar + Kube 15 MIE Subwoofer + KW2 RX Wireless Receiver Bundle Q&A:

What is included in this KEF home theater bundle?
This bundle includes the KEF XIO Soundbar, KEF Kube 15 MIE 15-inch active subwoofer, and KEF KW2 RX Receiver for wireless subwoofer signal transmission from the XIO Soundbar.
Does this bundle support Dolby Atmos?
Yes. The KEF XIO Soundbar supports Dolby Atmos, DTS:X, Sony 360 Reality Audio, and additional high-resolution audio formats for immersive home theater playback.
How does the KW2 RX Receiver help with setup?
The KW2 RX Receiver transmits audio wirelessly from the XIO Soundbar to the subwoofer area, helping reduce long cable runs and allowing more flexible subwoofer placement.
Is the subwoofer completely wireless?
The audio signal can be transmitted wirelessly to the KW2 RX Receiver, but the subwoofer still requires AC power and the receiver requires USB-C power.
How much bass does the Kube 15 MIE add?
The KEF Kube 15 MIE uses a 15-inch driver, 300W RMS Class-D amplifier, and 20 Hz – 140 Hz frequency response to deliver deep, powerful bass for movies, music, TV, and gaming.
Can the XIO Soundbar stream music?
Yes. The XIO supports KEF Connect, AirPlay 2, Google Cast, UPnP, Bluetooth 5.3, Spotify Connect, TIDAL Connect, Qobuz, Amazon Music, Deezer, Internet Radio, Podcasts, and more.
How far can the KW2 RX Receiver be placed from the XIO Soundbar?
The KW2 RX Receiver supports a maximum line-of-sight distance of up to 15 meters from the XIO Soundbar.
Can the XIO Soundbar be wall-mounted?
Yes. The XIO supports wall-mount or shelf/cabinet placement, and Intelligent Placement Technology helps optimize performance based on where the soundbar is installed.
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