Sennheiser MM 400-X Collapsible Headset with Bluetooth

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  • CD quality audio –Featuring the apt-X® codec, the headsets can connect wirelessly to any Bluetooth® apt-X® enabled devices, such as the new Apple computers and selected Creative and Samsung music products
  • Wireless freedom – Bluetooth® 2.1 guarantees hands-free convenience without wires and the advanced A2DP profile for Stereo Bluetooth® delivers optimized hi-fi stereo sound
  • Invisible microphone – with high-performance sound quality for clear conversations
  • Direct cable option – for use on airplanes, with an airline adapter included
  • Easy headset controls – in one intuitive cluster
  • Sennheiser sound quality – hi-fi headphone drivers ensure superior dynamic range, detail and excellent bass
  • Wearing comfort – padded ear-cushions provide an excellent soft fit, even on long trips
  • Easy-2-GO – the headset folds into a compact bundle for travel and storage, while the headband is metal-reinforced for durability
  • Flexible – replace the battery with a spare on long trips – or recharge it via the USB port on your laptop or the supplied lightweight wall charger with different plug fittings for Europe, the USA, the UK and Australia
  • Connect everywhere – to mobiles, laptops, MP3 players, or in-flight entertainment systems with an all-in-one headset solution
  • Peace of mind – thanks to the 2-year international warranty

The MM 400-X is a state-of-the-art on-ear Stereo Bluetooth® headset for multimedia mobile phones and computers. With one press of a button, you can quickly switch between calls and music delivered in superb stereo sound. The invisible high-performance microphone ensures that conversations are clear, making this headset the perfect all-in-one sound solution.

As an added benefit the MM 400-X enhances the latest apt-X®-enabled mobile phones and computers with supreme CD quality sound.

Connector3.5 mm Jack, straight
Supported ProfilesA2DP + AVRCP + HSP + HFP
Supported ProfilesCodec: SBC, apt-X®
Ear couplingSupra-aural
Transducer principleClosed acoustics
Weight105 g
Charging time3 h
Listening time10 h
TechnologyBluetooth® Version 2.1 + EDR
Talk time20 h
Frequency response (microphone)100 – 10000 Hz
Pick-up patternOmni-directional
Frequency response (headphones)15 - 22000 Hz
Sound pressure level (SPL)107 dB
THD, total harmonic distortion< 0,1% à 1 kHz
  • MM 400-X Bluetooth® headset
  • USB wall charger for US, EU, UK and AU
  • USB charging cable
  • In-flight adapters (3.5mm double mono jack)
  • Audio cable
  • Carry case
  • Quick set-up guide
  • User manual
EC Declaration of ConformityDownload
Technical InformationDownload

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