Sennheiser HD 4.40 BT Review and Specs

Sennheiser HD 4.40 BT is a pair of closed back over ear headphones for mixed usage that moderately will suit many cases. Their wired and wireless connection options make them versatile.

Sennheiser HD 4.40 BT review

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Features

If we look at the Sennheiser HD 4.40 BT specs they make it a very decent pair of Hi-Fi headphones. They have a low impedance of 18 Ohm, wide field of frequency response - 18Hz-22KHz and a brilliant sensitivity of 113 dB. The battery life of 25 hours is more than satisfying and is charged very fast - for 2 hours. I find it comfortable to control its charge level with the indicator. They also may be used battery free.

Sennheiser HD 4.40 BT review

Sound

The bright feature of Sennheiser HD 4.40 BT is a strong bass. The mids are not recessed unlike in many bass-heavy headphones. But the highs seem to lack a bit of detail. If you love punchy bass that will suit you. But the fans of crispy brilliant trebles will not be satisfied, I guess. Fortunately, there is an EQ to customize the sound up to your taste.

Noise cancelling

There is no ANC except for the natural ambient noise suppression with the closed cups.

Connectivity

The cable for wired connection is detachable and 140 cm/4.6 ft. The Bluetooth version for wireless option is 4.0. The model Sennheiser HD 4.40 BT also supports NFC and aptX.

Comfort and design

The weight of 225 g/7.9 oz is light for the head. You may adjust the headband to reduce pressure and it is not tight. The paddings are quite enough for comfort. The cups are not foldable for portability and may seem a bit small for large ears. They have a built in microphone for calls.

Pros and cons

Sennheiser HD 4.40 BT pros and cons

Pros

  • Comfortable design and light weight for long listening
  • Good bass strength will do even for bass-heads
  • Quality build and materials, smart outstanding look with sleek lines

Cons

  • Lack of portability for its large size and unfoldable cups
  • No ANC support that restricts its usability in traveling, office, city, and other noisy surroundings
  • Lack of portability for its large size and unfoldable cups
  • No ANC support that restricts its usability in traveling, office, city, and other noisy surroundings

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Common features

Product

Sennheiser HD 4.40 BT

Model

HD 4.40 BT

Brand

Sennheiser

Reviews

5773

General

Wearing style

over ear

Enclosure

closed back

Wireless

Wired

Specifications

Transducer

dynamic

Driver size, mm/inches

Impedance, Ohm

18

Frequency response, Hz

18Hz-22KHz

Total harmonic distortion (THD), %

0.5

Sensitivity (SPL), dB

113

Magnet type

Weight (headphones), g/oz

225/7.9

Comfort

Adjustable headband

Foldable

Noise cancelling

Active noise cancelling

Adjustable noise cancelling level

Microphone

Built-in microphone

In-line microphone

Detachable microphone

Cables

Detachable cable

Audio cable length, cm/ft

140/4.6

Jack connection (TRS)

3.5

Balanced connection

Control

Built-in control buttons

In-line control

Touch control

Voice control

Google Assistant, Siri

App control

Control functions

volume, answer/end, play/pause, next/previous track, fast forward/rewind

Wireless connectivity

Bluetooth

Bluetooth version

4.0

aptX

aptX HD (Hi-Res Audio)

Bluetooth profiles

A2DP, AVRCP, HFP, HSP

NFC

Wi-Fi

Battery

Battery type

rechargable

Battery life, hrs

25

Charging time, hrs

2

Charging port

micro USB

Charging cable

micro USB to USB-A

Speed charge

Battery free listening mode

Battery level indicator

Additional features

Water resistance

Light indication

Additional audio features

In the box

Audio cable

Carry case

Charging cable

1/4 Adapter (6,35 mm)

Interchangeable ear pads

User manual

Manual

Sennheiser HD 4.40 BT
Sennheiser HD 4.40 BT

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