Mu3
True wireless in-ear headphones with active noise cancellation and an ambient mode, designed with Ross Lovegrove. Aimed at listeners who want accurate sound on the move with up to 24 hours of total playback including the charging case.
- 8.2mm full-range driver per earbud
- Active noise cancellation with ambient mode
- Up to 24 hours playback including case
- Bluetooth 5 with SBC and AAC codecs
- Case with built-in wireless charging, USB-C
- Designed in collaboration with Ross Lovegrove
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The Mu3 is a pair of true wireless earphones that each use an 8.2mm full-range driver tuned by the engineers behind KEF's loudspeakers. Active noise cancellation reduces outside noise, and an ambient mode switches it off to let surroundings through. Each earbud has a multi-function button for playback, volume and calls.
Each earbud runs for 9 hours with Bluetooth and ANC on, and the charging case adds a further 15 hours, for up to 24 hours in total. Five minutes of fast charging gives one hour of playback. The case has built-in wireless charging and a USB-C port. Four sizes of silicone ear tips are included, and the earbuds are weighted so they sit balanced on the ear concha.
The earphones connect over Bluetooth 5 with SBC and AAC codecs, with a stated range of 10 m. Both earpieces receive the signal at the same time instead of one relaying to the other, which is meant to keep the connection stable with iOS and Android devices.
Vidéo
Spécifications
- Marque
- KEF
- Modèle
- Mu3
- Catégorie
- Casques
Audio
- Drive units
- 8.2mm
- Frequency range
- 20-20000Hz
- Sensitivity
- 104dB/1mW at 1KHz (1KHz 1mW)
- Nominal impedance
- 16Ω
- Maximum power output
- 5mW
- Noise cancellation
- Active Noise Cancellation with Ambient Mode
Connectivity
- Bluetooth version
- 5
- Codecs
- SBC, AAC
- Bluetooth frequency
- 2.402GHz-2.48GHz
- Bluetooth power
- ≤13dBm
- Bluetooth range
- 10m
Power
- Battery type
- 55mAh (earbud) / 500mAh (charging case)
- Battery play time (earbud)
- 9 hrs (BT + ANC on)
- Battery play time (charging case)
- 15 hrs
- Fast charging
- 1 hr battery play time from 5 mins charging
- Charging
- USB-C, built-in wireless charging in case
Physical
- Weight (earbud)
- 5.8 g
- Weight (charging case)
- 46.8 g
- Dimensions H x W x D (earbud)
- 24.5 x 17.5 x 26.3 mm
- Dimensions H x W x D (charging case)
- 33.5 x 62 x 52 mm
- Colour
- Charcoal Grey
In the box
- Earphones
- Mu3 noise cancelling true wireless earphones
- Charging case
- With built-in wireless charging
- Cable
- USB-C charging cable
- Ear tips
- 4 sets of silicone ear tips (large, medium, small, short)
- Documentation
- Quick start guide, warranty