Portable Wireless Bluetooth Speaker

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State-Of-The-Art Wireless KEF Sound

KEF M500

Designed by Ross Lovegrove and engineered by KEF, MUO is packed with innovative technologies to deliver uncompromising KEF quality sound when you’re streaming music wirelessly from a computer or mobile device. It packs a punch out of all proportion to its size.

The stunning new KEF MUO is a breakthrough in portable wireless speakers because our revolutionary new miniature Uni-Q driver array transcends the acoustic limitations of conventional products.

Intelligent Versatility and Total Convenience

Whether from your computer or mobile device, at home, at work or on your travels, MUO combines KEF standards of sound reproduction with the convenience of streaming full bandwidth CD-like quality music wirelessly via Bluetooth aptX®. The Muo features three versatile configurations - mono, stereo or 'dual-connect' party mode for use however the mood strikes you.

KEF M500

Synchronise a pair of MUO speakers to stream superb CD-like quality stereo sound wirelessly via Bluetooth aptX®. When placed far apart - for a party or another large gathering, for example - you can select the 'dual-connect' party mode to replicate the same full-range response in each speaker, so that everybody gets the full benefit of the music you're playing. MUO has an internal sensor that automatically optimises output to suit its orientation.

KEF M500

So whether standing upright or horizontally. it delivers the same outstanding acoustic depth and definition. Connection to any computer or mobile device is straightforward via the 3.Smm Aux input. With NFC Android mobile devices, you can also benefit from the 'tap-to-pair' function - just hold the device against MUO and they're paired ready to stream your music in seconds. The rechargeable battery allows up to 1 2 hours of play time.

General Features:

  • Portable wireless Bluetooth Speaker
  • Equipped with Bluetooth 4.0
  • NFC Communication
  • aptX Codec
  • Dual 2.0" Uni-Q Drivers
  • Auxiliary Bass Radiator
  • Transmission Range Up to 33' (10 m)
  • Stream Wirelessly or Use Aux Input Jack
  • 12 Hours Playback Time
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product Specifications:

  • Drive units: 2 x 50mm (2.0in.) full range Uni-Q driver, 1 x Auxiliary Bass Radiator (ABR)
  • Inputs: Bluetooth 4.0 with aptX® codec, 3.5mm AUX, Micro USB – charging and firmware update
  • Bluetooth range: 30 Ft. (10m)
  • Bluetooth capacity: 2 devices
  • Bluetooth memory: 8 devices
  • Battery type: Li-ion rechargeable battery
  • Battery charging time: 3 hours to fully charge
  • Battery life: 12 hours playback time
  • Weight: 0.8kg (1.8lbs.)
  • Power input: 5V D.C. 2A
  • App: KEF MUO


Primary Color
This is the main color of the item.
Secondary Color
A color that compliments the main color of the product.

Wireless Specifications

Bluetooth Connectivity
Bluetooth® technology allows two or more electronic devices to communicate with each other wirelessly, such as using your cell phones "hands-free" or transmitting music to Bluetooth enabled receiver. If a unit is Bluetooth capable, it typically can allow you to connect to your Bluetooth cell phone to make and receive calls. Others can access your phone and address book too via Bluetooth. Other Bluetooth capable units offer even more services, such as live traffic information and map upgrades.

More uses of Bluetooth technology include transmitting music to a compatible receiver, printing wirelessly from a computer, and many other wireless uses. Please see the item description for more specific information regarding what features the unit includes.

Built-In Microphone
This will designate if thedevice has a built-in microphone for the recording or transmitting of audio.
Bluetooth Range
The maximum distance (measured in feet) that the Bluetooth device can from the paired Bluetooth transmitter.
30 feet

Speaker Specifications

Speaker Configuration
This is the configuration of the speakers in the home theater system. The more speakers, the more realistic the surround sound is.
2.1 (2 Front Speakers and 1 Subwoofer)
Includes Subwoofer
This means that the speaker system includes a subwoofer.


3.5mm Stereo Jack
Uses a 3.5mm stereo jack to connect to an audio source. This is the common size found on most CD and Mp3 players, as well as most home computers.
Composite (RCA) Stereo Inputs
This is the number of composite (RCA) outputs on the unit.


Power Source
The power source is the method in which the unit receives power. Some units will be powered by batteries, while others will need to be plugged in to an AC or DC power source.
Rechargeable Battery

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

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Product Summary


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Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: KEF MUO BLUE

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Portable Wireless Bluetooth Speaker


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