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Sennheiser Black MM 450-X On-Ear Foldable Noise Canceling Bluetooth Travel Headphone

  • Compatible with latest generation of tablets
  • Provides up to 90% active noise cancellation
  • TalkThrough function
  • Wireless freedom
  • Easy-to-use controls
  • Pin It
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Learn more about the Sennheiser Electronic corp. MM 450-X


Wireless & Bluetooth
MM 450-X


Wireless Type
Operating Time
Talk Time: Up to 20 hours

Listening Time: Up to 10 hours (without NoiseGard; with - up to 8)
Up to 33 feet

General SPEC

Frequency Response
107dB S.P.L. at 1KHz
Ear Coupling
3.8 oz.

Microphone SPEC

Microphone Frequency Response


Compatible with latest generation of tablets including the New iPad

Sennheiser NoiseGard 2.0 technology provides up to 90% active noise cancellation

TalkThrough function - Communication with seatmates without removing the headphones

Wireless freedom with Stereo A2DP Bluetooth-- hands-free convenience and hi-fi stereo sound

Supports Apt-X codec for hi-fi sound over Bluetooth

Discrete, invisible microphone is always out of the way

Direct cable option - listen as a wired headphone when Bluetooth is not permitted (note: mobile phone conversations require Bluetooth)

iPhone/iPod/iPad compatible, compatible with all 1/8" (3.5mm) headphone plugs

Easy-to-use controls are within optimum reach and provide concise "click" feedback

World-famous Sennheiser acoustics from exclusive DuoFol transducer system

Plush ear cushions seal out ambient noise while maintaining luxurious comfort for hours on-end.

Collapsible headset stores in a compact footprint for convenient portability

Replaceable battery charges via USB port or supplied wall adapter

Connect everywhere - to mobiles, laptops, MP3 players, or in-flight entertainment systems with an all-in-one headset solution

Due to the nature of Bluetooth technology, users may experience a slight audio latency when watching video on a portable device. The headphones are working fine. This is a characteristic of all Bluetooth headsets. Latency is not an issue for audio-only use, OR when using the included detachable headphone cable for a wired audio connection when watching video.


Package Contents
MM 450-X headset
Audio cable with in-flight adapter (3.5mm double mono adapter)
USB cable
Wall charging adapter
Carrying case
Battery (pre-installed)
Ear cushions (pre-installed)

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the Sennheiser Electronic corp. MM 450-X

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  • Gaby B.
  • 4/11/2014 11:23:29 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat product

Pros: This product has made me much more productive at work. I paired my business ShoreTel VOIP phone, iPhone, and PC with it. Now, I only need these headphones to manage all three with a single button. Make me more productive by allowing me to keep my hands on my keyboard and my eyes on my monitors! Good sound considering they are wireless. Very well built and look like they will be very durable over the long haul. Very comfortable. Noise cancellation is great for eliminating constant recurring noise such as the video card in my PC or the sound the air handler for my AC makes just outside my window. I'm sure it will be be good for the plane to drown out the hum of airplane travel. Long life of 20 hours.

Cons: None so far, I'll report back if I encounter any. A little pricey on the surface but once you have it and start using it the price concern will quickly fade away.

Other Thoughts: None, I got these instead of the MM 550X because I prefer something smaller that doesn't encapsulate my entire ear. They are very light, fit very well, and they are not bulky at all.

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