Name: HD 4.40BT
Brand: Sennheiser
SKU: 265535
Rating: 3.9 (65 reviews)

3.9

based on all reviews

Consumer ratings:

4.3 / 5

clean and timeless Sennheiser mids
it very convenient to carry them around while travelling
reading

headphones lack is active sound cancellation
hear office chatter while listening to music
lack of tactility meant that I often overshot the number of clicks from my desired setting

Channels: 2
Impedance: 18 Ω
Sensitivity: , 113 dB
Frequency range: 18, 22000 Hz
Acoustic design: Closed
Sound output: Stereo
Style: Over-Ear
Connectivity technology: Wired & Wireless

Sennheiser HD 4.40BT - Pros & Cons

clean and timeless Sennheiser mids
it very convenient to carry them around while travelling
reading
stay safe and keep listening
The bass is perfect in my opinion and is very well balanced with the treble
The extension is good and rolls off fairly late and trebles are well detailed
low tones - strong
determined and always well defined
The treble and midrange are lively and engaging
Compatible with most smartphones & tablets
Tones - strong
decisive
and always well defined
Intuitive ear cup mounted controls for changing tracks and for making calls
40 BTs provide a very good level of comfort
beautifully styled and delivers a solid level of detail
minimalistic design that keeps it chic and clean
They also fold up nicely to better fit in your backpack or laptop bag
new ways of thinking
new connections
and new industries
battery life is fantastic at 25 hours
tone equally and evenly through both the left and right ear cups
The minimalist design is robust to handle life on-the-go
comfortable
robust
have a solid battery and far Bluetooth connectivity range
the microphone performance when on BT is adequate
with cable
comfortable
look good
audio quality is excellent with plenty of bass
it is perfectly usable for talking on the phone
good price for the quality and features
The Bluetooth works reliably and pairs with any device
Nicely designed and easy to operate
these controls are intuitive and simply laid out
a comfortable fit and easy operation
Strong audio performance with excellent bass depth and solid high frequency clarity
a great audio reproduction and have over 30 hours of battery life
comfortable
and look and feel more durable
Their sound is decent
Fairly comfortable and durable design
tight bass and a transparent treble reproduction
JBLs are slightly more comfortable and can pair with two devices simultaneously
Sony app is also great and offers multiple controls and customization

headphones lack is active sound cancellation
hear office chatter while listening to music
lack of tactility meant that I often overshot the number of clicks from my desired setting
No setup or any mumbo-jumbo needed
nasal and lack clarity
a Quick-Charge charger will NOT improve charging time
not particularly crunchy and somewhat takes on a back presentation
they can sound a a bit distant and muffled
bland-looking and clamp your neck too tightly
over-ear headphones looks sterile and cold
Sennheisers will not auto pause when you take them off
Tight on the ears and around the neck
cord doesn t have play/pause controls on
mid-range and high mids
Sennheiser skimped out a bit on the design
The bluetooth preferences list is not showing up my headphones
the bass does also tend to spill quite a bit into the mids
plastic that gets tossed after opening
lack of a hardshell case for storage is a bummer
plastic as it seems like a lot of waste
Initial clamping force is slightly on the higher side
high-resolution material can only be reproduced in the standby mode
dominant bass does not have to be disturbed
lack of base which is expected for the price
headphones are just too fiddly
charging takes only 2 hours
headband feels thin and flimsy
head phone pads are embarrassing to wear out in public all frayed and worn
the cups are too small for his larger ears
just the lower end of the volume that is a bit limited
the blue led light will switch to red color
cable lacks inline remote
micro USB charging cable connects
Bass is prone to inconsistencies across users

Sennheiser HD 4.40BT - Technical Overview

	Poor	Average	Good	Excellent
Driver size	32 mm Best: Hauppauge XFones Driver size: 400 mm
Impedance	18 Ω Best: Stax SR-L500 Impedance: 145000 Ω
Weight	225 g Best: Cyber Acoustics ACM-7002 Weight: 0.11 g

Sennheiser - Video Reviews (7)

Sennheiser HD 4.40BT Wireless Headphones Review

Sound Isn't Enough: Sennheiser HD 4.40BT Review!

Sennheiser HD 4.40BT - Full Specifications

Sound output	Stereo
Style	Over-Ear
Connectivity technology	Wired & Wireless
Headset (integrated/enclosed microphone)	yes
Magnet material	Neodymium

Weight	7.94 oz

Microphone type	Built-in microphone
Microphone frequency	100 - 10000
Microphone direction type	Omnidirectional

Noise-canceling	no
Playback controls	yes
Buttons	Answer button Keyguard Next song Previous song Volume
Built-in heart rate monitor	no
Calorie counter	no
NFC	no
Vibration	no
Carrying case	yes

Colour of product	Black
Acoustic design	Closed
Control type	Buttons
Attachment type	Headband
Category	Travel and Commuting
Foldable	yes
Water resistant	no
Noise isolating	yes

Channels	2
Impedance	18.0 Ω
Sensitivity	< 113
Frequency range	18 - 22000
Driver technology	Dynamic
Driver size	1.26 in
Total harmonic distortion (THD)	0.5 %

Inputs supported	Bluetooth
Cable length	1.4
3.5 mm/6.3 mm adapter included	no
Audio streaming via bluetooth	A2DP aptX
Bluetooth version	4.0
Bluetooth profile	APT-X
Bluetooth codec	aptX
Wireless connection	Bluetooth
Wireless range	10
Type of connector	3.5mm
USB	yes
Type of USB connector	Micro-USB
Detachable cable	yes
Multi Point connection	no

Battery operated	yes
Battery technology	Lithium Polymer
Battery recharge time	2.0 h
Battery life	25.0 h
Charging via USB	yes

Sennheiser HD 4.40BT - Q&A

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Sennheiser HD 4.40BT Sennheiser - Editorial Reviews (6)

3.6

Based on 6 reviews

Sennheiser HD 4.40BT Sennheiser HD 4.4 BT Review: Bargain Bass

WIRED

Published: 21.03.2018

Sennheiser HD 4.4 BT Review: Bargain Bass

3.5

Sennheiser’s wireless HD 4.4 BT headphones sound a lot better than they look, with a price that’s hard to beat.

Sennheiser HD 4.40BT Sennheiser HD 4.40 BT Wireless Review

RTINGS.com

Published: 22.03.2019

Sennheiser HD 4.40 BT Wireless Review

3.4

The Sennheiser HD 4.40 are okay mixed usage over-ear headphones that can be used for a variety of use cases. They don’t excel in any usage but can be very versat...

Sennheiser HD 4.40BT Sennheiser HD 4.40 BT Review

PCMAG

Published: 01.12.2017

Sennheiser HD 4.40 BT Review

4.0

The Sennheiser HD 4.40 BT are reasonably priced, well-designed Bluetooth headphones that bass lovers are sure to enjoy.

Sennheiser HD 4.40BT Sennheiser HD 4.40BT

ProductReview.com.au

Published: 30.06.2020

Sennheiser HD 4.40BT

Sennheiser HD 4.40BT (Wireless Headphone): 4 out of 5 stars from 6 genuine reviews on Australia's largest opinion site ProductReview.com.au.

MacSources

Published: 23.02.2018

Sennheiser HD 4.40BT Wireless Headphones REVIEW

I'm a big fan of Sennheiser as a company because they have been making premium, high-quality products since 1945. I haven't been alive that long but for as

Sennheiser HD 4.40BT Sennheiser HD 4.40BT review: Best headphones for Rs 10,000

India Today

Published: 27.06.2017

Sennheiser HD 4.40BT review: Best headphones for Rs 10,000

The reason why the Sennheiser HD 4.40 BT is so good is because of its sound quality. The feature set too is good and the build quality and comfort is decent, but it is the sound where these headphones score big even if you are listening to music using Bluetooth.