Sennheiser HD 4.40 BT vs Beyerdynamic Amiron Wireless
Sennheiser and Beyerdynamic
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Common
Product
Sennheiser HD 4.40 BT
Beyerdynamic Amiron Wireless
Model
HD 4.40 BT
Amiron Wireless
Brand
Sennheiser
Beyerdynamic
Reviews
7282
198
General
Wearing style
over ear
over ear
Enclosure
closed back
closed back
Wireless
Wired
Specifications
Transducer
dynamic
dynamic
Driver size, mm/inches
Impedance, Ohm
18
32
Frequency response, Hz
18Hz-22KHz
5Hz-40KHz
Total harmonic distortion (THD), %
0.5
Sensitivity (SPL), dB
113
100
Magnet type
Weight (headphones), g/oz
225/7.9
381/13.4
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
3.5
Balanced connection
Control
Built-in control buttons
In-line control
Touch control
Voice control
Google Assistant, Siri
Google Assistant, Siri
App control
Control functions
volume, answer/end, play/pause, next/previous track, fast forward/rewind
volume, answer/end, play/pause, next/previous track, fast forward/rewind, voice assistant
Wireless connectivity
Bluetooth
Bluetooth version
4.0
4.2
aptX
aptX HD (Hi-Res Audio)
Bluetooth profiles
A2DP, AVRCP, HFP, HSP
A2DP, AVRCP, HFP, HSP
NFC
Wi-Fi
Battery
Battery type
rechargable
rechargable
Battery life, hrs
25
30
Charging time, hrs
2
Charging port
micro USB
USB-C
Charging cable
micro USB to USB-A
USB-C 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
Headphones CHooseratoR comparison rating
- 6.8Sennheiser HD 4.40 BT
- 8.3Beyerdynamic Amiron Wireless
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