By | April 12, 2017

Sennheiser Wireless Headphones HD 4.40 BT


Sennheiser Wireless Headphones

Simply put, the Sennheiser HD 4.40 BT is the wireless version of the HD 4.30. It delivers quality wire-free sound for headphone users at a quite convincing price.

Sennheiser wireless headphones HD 4.40 BT was designed with new dynamic drivers that are intended to deliver that classical sound that has made Sennheiser leaders in the audiophile field.


It’s got a slim, comfortable, ear-round design with an extra padding than its predecessors. The function of this leather padding is clear once you put it on.

The posterior design of this headset is equipped with proprietary Sennheiser drivers that provide an amazing detailed and well-balanced sound with dynamic bass.

Sennheiser is renowned for their minimal buttons and that standard has been followed with the HD 4.40 BT wireless headphone. I found a total of 3 controls that gives me everything I need.

  1. The power button / the Bluetooth pairing button
  2. The play/pause track toggle – also used for answering calls
  3. The volume button


Sennheiser wireless headphones HD 4.40 BT is made up of a tough, high-quality material making it elegantly minimalistic. They are portable, lightweight, Apt-X codec compatible, sleek frame, and sturdy, which makes it more comfortable to wear.

They also have user-friendly controls on the bottom rim of the right can, and pair up easily, rapidly and seamlessly with both Bluetooth and NFC. The highs are crystal clear without any harshness. Mid ranges are natural and nicely balanced.


Pairing the HD 4.40 BT is as simple as you’d imagine. All you have to do is hold the pairing button and wait for the blue and red light.

Access Sennheiser Bluetooth on your phone and you’re connected in seconds. You can now make phone calls or enjoy hours of music playback with your paired device. The battery life on the HD 4.40 BT is up to 25 hours. It’s also optimized for one-touch pairing with NFC devices.


Sennheiser smartphone’s app “CapTune” adds to the power and functionality of this device. Using this app, I was able to connect to TIDAL music service, play tracks directly from my phone, and even my headphone battery life using this app. This free app also allowed me to change screen color, save profiles, and create EQ settings for different headphones or types of music.


Full size closed-back leather ear cups provide excellent comfort and isolation

Apt-X Bluetooth 4.0 connectivity for clean wireless transmission

Excellent sound quality with detailed mids & smooth treble

Up to 25 hours of battery life using Bluetooth

Solid punchy bass response

Portable carrying case

Foldable travel-ready design

Quick pairing with all NFC devices

Headphone cable for optional wired use


Headphone Type: Closed Back

Impedance @ 1kHz: 18 Ohms

Driver Type: Dynamic

THD+N: <0.5%

Sensitivity: 113dB ([email protected])

Frequency Response: 18 – 22 kHz

Cable Length: 1.4m (4.5 ft.)

Connector Type: 3.5mm (1/8″) right angle

Weight: approximately 225 grams w/o cord

Bluetooth Version: 4.0

Bluetooth Codec: apt-X®

Battery Life: up to 25 hours

Recharge Time: approximately 2 hours

Manufacturer Warranty: 2 years


  • Sennheiser HD 4.40 BT Wireless headphones
  • USB charging cable
  • Auxiliary cable (1.4m) with right-angle/low-profile 3.5mm plug
  • Portable pouch
  • Instruction manuals

Sennheiser wireless headphones HD 4.40 BT has proven to be the best low-priced headset in the world. You have a chance to get the best at an affordable price.

Price: $ 149.95

Buy now!


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