Sennheiser HD 4.40 BT vs Beyerdynamic DT 990 Pro
Sennheiser and Beyerdynamic
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Common
Product
Sennheiser HD 4.40 BT
Beyerdynamic DT 990 Pro
Model
HD 4.40 BT
DT 990 Pro
Brand
Sennheiser
Beyerdynamic
Reviews
7282
6694
General
Wearing style
over ear
over ear
Enclosure
closed back
open back
Wireless
Wired
Specifications
Transducer
dynamic
dynamic
Driver size, mm/inches
Impedance, Ohm
18
80, 250
Frequency response, Hz
18Hz-22KHz
5Hz-35KHz
Total harmonic distortion (THD), %
0.5
0.2
Sensitivity (SPL), dB
113
96
Magnet type
Weight (headphones), g/oz
225/7.9
360/12.6
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
300/9.8
Jack connection (TRS)
3.5
6.35
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
4.0
has not
aptX
has not
aptX HD (Hi-Res Audio)
has not
Bluetooth profiles
A2DP, AVRCP, HFP, HSP
has not
NFC
Wi-Fi
Battery
Battery type
rechargable
has not
Battery life, hrs
25
has not
Charging time, hrs
2
has not
Charging port
micro USB
has not
Charging cable
micro USB to USB-A
has not
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
Headphones CHooseratoR comparison rating
- 6.8Sennheiser HD 4.40 BT
- 7Beyerdynamic DT 990 Pro
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