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Sonos Era 100 SL Speaker & Flexson In-Ceiling Mount Kit

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This Sonos Era 100 SL in-ceiling kit includes 1x Sonos Era 100 SL Speaker (black or white) and 1x Flexson In-Ceiling Mount.

The Flexson In-Ceiling Mount allows you to discreetly install the Sonos Era 100 SL Speaker into a ceiling or wall, providing an almost invisible installation. This new design from Flexson comes with both Round and Square acoustically transparent magnetic grilles which can be easily painted.

This kit provides an easy to install and cost effective in-ceiling or in-wall Sonos solution which is ideal for commercial installations and home use. Use singly, in stereo pairs, or as Sonos home cinema surround speakers.

Sonos Era 100 SL Speaker

Era 100 SL transforms any space with rich stereo sound and deep bass—without built-in voice control. Stream from your favourite services, and easily connect the devices you love.

The compact design fits beautifully all around your home. Pair with Era 100 for a more detailed and spacious listening experience, or use two as rear speakers in a Sonos home cinema system for immersive surround sound.

Features

  • WiFi
  • Apple AirPlay 2
  • Bluetooth®
  • Touch controls
  • Line-in ready
  • Humidity resistant
  • Trueplay™ for iOS
  • Recycled materials


Flexson In-Ceiling / In-Wall Mount

The Flexson In-Ceiling Mount for Sonos Era 100 / Sonos One / Sonos One SL allows you to discreetly install your Sonos speaker into a ceiling or wall, providing an almost invisible installation. This new design from Flexson comes with both Round and Square acoustically transparent magnetic grilles which can be easily painted. Ideal for commercial installations in bars, restaurants and shops, as well as for home use.

The Flexson In-Ceiling Mount is provided with bespoke fixings that securely hold your Sonos speaker, and the Era 100 can be swivelled 40 degrees (20 degrees right & 20 degrees left) to direct the sound towards the listening area. Acoustically transparent grilles allow for clear sound and enable seamless use of voice controls.

Features

  • Bespoke design securely holds the Sonos Era 100 / Sonos One / Sonos One SL.
  • Allows discreet installation of the Sonos Era 100 / Sonos One / Sonos One SL into ceilings and walls.
  • Round or Square Grilles magnetically attach for a discreet installation, and can be spray painted to suit the décor.
  • Sonos Era 100 can be tilted 20 degrees right & 20 degrees left for sound direction adjustment.
  • Minimum Mounting Depth - Sonos Era 100: 122.5mm / Sonos One & One SL: 130.2mm (excluding cables).
  • Precision engineered. Quick and easy to fit.

Sonos Era 100 SL

Audio
Amplifiers Three Class-D digital amplifiers precision-tuned for the speaker's unique acoustic architecture power your sound experience.
Tweeters Two angled tweeters create a crisp and accurate high frequency response and stereo separation.
Woofers One mid-woofer ensures the faithful playback of mid-range vocal frequencies and deep bass.
Adjustable EQ Use the Sonos app to adjust bass, treble, and loudness.
Trueplay This software measures the acoustics of the room then fine-tunes the EQ. Requires compatibility with iOS device.
   
Details & Dimensions  
Dimensions Height: 7.19 in (182.5 mm)
Width: 4.72 in (120 mm)
Depth: 5.14 in (130.5 mm)
Weight 4.3 lbs (1.95 kg)
Colours Black, White
Finish Matte
Controls Use the capacitive touch controls on the product to play, pause, skip, replay, adjust the volume, and group or ungroup Sonos products.
Bluetooth Button Press to pair with a Bluetooth device.
LEDs Light on the product indicates connection and mute status.
   
Power & Connectivity  
WiFi Compatible with WiFi 6. Connect to WiFi with any 802.11a/b/g/n/ac/ax 2.4 GHz/5 GHz broadcast-capable router.
Bluetooth Bluetooth 5.3 supports audio streaming from any Bluetooth-enabled device.
Voltage 100-240V 50/60Hz internal power supply
USB-C Connect an audio source using an auxiliary cable and the Sonos Line-In Adapter. Connect your router with an Ethernet cable and the Sonos Combo Adapter. (All accessories sold separately.)
CPU Quad Core
4xA55 1.4GHz
Memory 1GB DDR4
4GB eMMC
Apple AirPlay 2 Works with AirPlay 2 on Apple devices iOS 11.4 and higher
   
Box Contents  
Sonos Era 100 SL
Power Cable Length: 6 ft (2 m)
Documentation Quickstart Guide and legal/warranty information
   
Requirements  
WiFi Internet connection
Power Source Nearby electrical outlet
Sonos app The latest generation of the Sonos app running on a compatible device


Flexson In-Ceiling Mount

Mounting Depth Sonos Era 100: 122.5mm (excluding cables)
Sonos One & One SL: 130.2mm (excluding cables)
Cutout Diameter 255mm
Grilles Round & Square supplied
White (paintable)
Speaker Adjustment Era 100 only
20 degrees left or right

Sonos Era 100 SL Speaker & Flexson In-Ceiling Mount Kit

Product form

£279.00 £319.00

Availability

6 in stock  Order by 12pm Mon-Fri for next business day delivery (Mon-Fri). Free delivery over £69.

FREE 6-Year Guarantee on Sonos worth up to £40 (more info)

Need more than 6? Additional stock normally available in 5-7 days
Order by 12pm Mon-Fri for next business day delivery

  • Shipped today? Order within: Jun 10, 2026 12:00:00 +0100

    This Sonos Era 100 SL in-ceiling kit includes 1x Sonos Era 100 SL Speaker (black or white) and 1x Flexson In-Ceiling Mount.

    The Flexson In-Ceiling Mount allows you to discreetly install the Sonos Era 100 SL Speaker into a ceiling or wall, providing an almost invisible installation. This new design from Flexson comes with both Round and Square acoustically transparent magnetic grilles which can be easily painted.

    This kit provides an easy to install and cost effective in-ceiling or in-wall Sonos solution which is ideal for commercial installations and home use. Use singly, in stereo pairs, or as Sonos home cinema surround speakers.

    Sonos Era 100 SL Speaker

    Era 100 SL transforms any space with rich stereo sound and deep bass—without built-in voice control. Stream from your favourite services, and easily connect the devices you love.

    The compact design fits beautifully all around your home. Pair with Era 100 for a more detailed and spacious listening experience, or use two as rear speakers in a Sonos home cinema system for immersive surround sound.

    Features

    • WiFi
    • Apple AirPlay 2
    • Bluetooth®
    • Touch controls
    • Line-in ready
    • Humidity resistant
    • Trueplay™ for iOS
    • Recycled materials


    Flexson In-Ceiling / In-Wall Mount

    The Flexson In-Ceiling Mount for Sonos Era 100 / Sonos One / Sonos One SL allows you to discreetly install your Sonos speaker into a ceiling or wall, providing an almost invisible installation. This new design from Flexson comes with both Round and Square acoustically transparent magnetic grilles which can be easily painted. Ideal for commercial installations in bars, restaurants and shops, as well as for home use.

    The Flexson In-Ceiling Mount is provided with bespoke fixings that securely hold your Sonos speaker, and the Era 100 can be swivelled 40 degrees (20 degrees right & 20 degrees left) to direct the sound towards the listening area. Acoustically transparent grilles allow for clear sound and enable seamless use of voice controls.

    Features

    • Bespoke design securely holds the Sonos Era 100 / Sonos One / Sonos One SL.
    • Allows discreet installation of the Sonos Era 100 / Sonos One / Sonos One SL into ceilings and walls.
    • Round or Square Grilles magnetically attach for a discreet installation, and can be spray painted to suit the décor.
    • Sonos Era 100 can be tilted 20 degrees right & 20 degrees left for sound direction adjustment.
    • Minimum Mounting Depth - Sonos Era 100: 122.5mm / Sonos One & One SL: 130.2mm (excluding cables).
    • Precision engineered. Quick and easy to fit.

    Sonos Era 100 SL

    Audio
    Amplifiers Three Class-D digital amplifiers precision-tuned for the speaker's unique acoustic architecture power your sound experience.
    Tweeters Two angled tweeters create a crisp and accurate high frequency response and stereo separation.
    Woofers One mid-woofer ensures the faithful playback of mid-range vocal frequencies and deep bass.
    Adjustable EQ Use the Sonos app to adjust bass, treble, and loudness.
    Trueplay This software measures the acoustics of the room then fine-tunes the EQ. Requires compatibility with iOS device.
       
    Details & Dimensions  
    Dimensions Height: 7.19 in (182.5 mm)
    Width: 4.72 in (120 mm)
    Depth: 5.14 in (130.5 mm)
    Weight 4.3 lbs (1.95 kg)
    Colours Black, White
    Finish Matte
    Controls Use the capacitive touch controls on the product to play, pause, skip, replay, adjust the volume, and group or ungroup Sonos products.
    Bluetooth Button Press to pair with a Bluetooth device.
    LEDs Light on the product indicates connection and mute status.
       
    Power & Connectivity  
    WiFi Compatible with WiFi 6. Connect to WiFi with any 802.11a/b/g/n/ac/ax 2.4 GHz/5 GHz broadcast-capable router.
    Bluetooth Bluetooth 5.3 supports audio streaming from any Bluetooth-enabled device.
    Voltage 100-240V 50/60Hz internal power supply
    USB-C Connect an audio source using an auxiliary cable and the Sonos Line-In Adapter. Connect your router with an Ethernet cable and the Sonos Combo Adapter. (All accessories sold separately.)
    CPU Quad Core
    4xA55 1.4GHz
    Memory 1GB DDR4
    4GB eMMC
    Apple AirPlay 2 Works with AirPlay 2 on Apple devices iOS 11.4 and higher
       
    Box Contents  
    Sonos Era 100 SL
    Power Cable Length: 6 ft (2 m)
    Documentation Quickstart Guide and legal/warranty information
       
    Requirements  
    WiFi Internet connection
    Power Source Nearby electrical outlet
    Sonos app The latest generation of the Sonos app running on a compatible device


    Flexson In-Ceiling Mount

    Mounting Depth Sonos Era 100: 122.5mm (excluding cables)
    Sonos One & One SL: 130.2mm (excluding cables)
    Cutout Diameter 255mm
    Grilles Round & Square supplied
    White (paintable)
    Speaker Adjustment Era 100 only
    20 degrees left or right

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