Audio-Technica ATH-M40x vs Sennheiser HD 4.40 BT

ATH-M40x vs HD 4.40 BT comparison chart

Overall
Audio-Technica ATH-M40x
8.2
Sennheiser HD 4.40 BT
6.8
10
7
inapplicable
8
inapplicable
3
inapplicable
9
inapplicable
8
Votes 1 1
Rating 5 5
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Common

Product

Audio-Technica ATH-M40x
Sennheiser HD 4.40 BT

Model

ATH-M40x
HD 4.40 BT

Brand

Audio-Technica
Sennheiser

Reviews

7832
7282

General

Wearing style

over ear
over ear

Enclosure

closed back
closed back

Wireless

Wired

Specifications

Transducer

dynamic
dynamic

Driver size, mm/inches

40/1.5

Impedance, Ohm

35
18

Frequency response, Hz

15Hz-24KHz
18Hz-22KHz

Total harmonic distortion (THD), %

0.5

Sensitivity (SPL), dB

98
113

Magnet type

neodymium

Weight (headphones), g/oz

240/8.4
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

300/9.8
140/4.6

Jack connection (TRS)

3.5
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

has not

Bluetooth version

has not
4.0

aptX

has not

aptX HD (Hi-Res Audio)

has not

Bluetooth profiles

has not
A2DP, AVRCP, HFP, HSP

NFC

Wi-Fi

Battery

Battery type

has not
rechargable

Battery life, hrs

has not
25

Charging time, hrs

has not
2

Charging port

has not
micro USB

Charging cable

has not
micro USB to USB-A

Speed charge

has not

Battery free listening mode

has not

Battery level indicator

has not

Additional features

Water resistance

Light indication

Additional audio features

In the box

Audio cable

Carry case

Charging cable

has not

1/4 Adapter (6,35 mm)

Interchangeable ear pads

User manual

Manual

Audio-Technica ATH-M40x
Sennheiser HD 4.40 BT
Audio-Technica ATH-M40x
Sennheiser HD 4.40 BT

Headphones CHooseratoR comparison rating

  • better
  • worse
  • 8.2
  • 6.8
  • 8.2Audio-Technica ATH-M40x
  • 6.8Sennheiser HD 4.40 BT

Audio-Technica ATH-M40x competitors

Sennheiser HD 4.40 BT competitors