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Every note. Every word. Every detail.

Music on the go, without missing a beat – the Mu7 makes that mission manifest. Flowing, sculptural forms meet pure sound in high resolution: headphones which walk the walk, wherever you’re headed.


Pure. Accurate. High-resolution.

Mu7 Noise Cancelling Over-ear Wireless Headphones are expertly engineered to deliver pristine, pure and accurate sound. Acoustics are custom tuned by our engineers for consistent voicing on the move, allowing you to experience every note, every word, every detail in glorious high resolution.

Hear what you love

Qualcomm’s aptX HD technology delivers up to 24bit/ 48kHz for a truly high-resolution listening experience.

Wireless or wired

3.5mm audio connection for uncompressed high-resolution playback from compatible phones and dedicated headphone DAC/amplifiers.

Comfort & Ease

Designed for comfort and performance

Mu7’s ergonomic design provides the highest level of comfort. The memory foam ear cushions mould to the shape of your head, while the clamping force of the headband creates an acoustic seal without putting too much pressure on your ears.

Complete, intuitive control

The capacitive touchpad on the right earcup allows you to answer calls, skip tracks, adjust the volume, activate Voice Assistant and more, through a series of intuitive taps and swipes.

All day, any way

All-day listening

A high-capacity, quick-charge battery ensures that Mu7 headphones stay the distance for up to 40-hour use even with Bluetooth and Smart Active Noise Cancellation engaged. They also benefit from a fast-charging feature that delivers 8 hours of use from only 15 minutes of charging.

Smart Active Noise Cancellation

Smart Active Noise Cancellation perfectly tunes the listening experience to your surrounding by using multiple filters to capture environmental noise and cancel different frequencies,


Design by Ross Lovegrove

Mu7 is pure and clean, a perfect reflection of the headphone’s sound. A choice of Silver Grey or Charcoal Grey finishes complete a strikingly different way to listen on the go.

The sound & design journey continues

Ross Lovegrove is renowned for his innovative approach and flowing, sculptural forms; designs that embrace both beauty and technological ingenuity, which perfectly complement KEF’s obsession with pure, accurate sound.

Design by Ross Lovegrove

Ross Lovegrove is much more than a designer – rather, he is a visionary informed as much by technology, sculpture and art as by the logic and beauty of nature. His intelligent, organic forms have been influential in leading a new aesthetic expression across everything from cameras to cars to trains, aviation and architecture.


  • Mu7

Speaker Drivers

  • 40mm Dynamic

Max Power Output

  • 15mW


  • 5.1


  • SBC
  • AAC
  • aptX
  • aptX HD

Bluetooth Power

  • Class 2

Bluetooth Range

  • 10m

Bluetooth Frequency

  • 2.402GHz – 2.48GHz

Li-Ion Rechargeable Battery

  • 1100mAh

Battery Play Time

  • 40 Hours (Bluetooth and Active Noise Cancellation On)

Fast Charging for 15 mins

  • 8 Hours battery play time


  • 199mm Height
  • 153mm Width
  • 89mm Depth


  • 309g

Operating Temperature

  • -10°C to 45°C

Power Input

  • DC 5V 900mA USB-C

What’s in the box

  • Mu7 Noise Cancelling Over-ear Wireless Headphones
  • USB-C charging cable
  • 3.5mm audio cord
  • Flight adapter
  • Carrying pouch
  • Quick start guide, warranty
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