Sennheiser HD 4.40 BT vs AKG K845BT
Sennheiser and AKG
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Common
Product
Sennheiser HD 4.40 BT
AKG K845BT
Model
HD 4.40 BT
K845BT
Brand
Sennheiser
AKG
Reviews
7282
178
General
Wearing style
over ear
over ear
Enclosure
closed back
closed back
Wireless
Wired
Specifications
Transducer
dynamic
dynamic
Driver size, mm/inches
50/1.9
Impedance, Ohm
18
32
Frequency response, Hz
18Hz-22KHz
20Hz-20KHz
Total harmonic distortion (THD), %
0.5
Sensitivity (SPL), dB
113
102
Magnet type
Weight (headphones), g/oz
225/7.9
240/8.4
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
120/3.9
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
volume, answer/end, play/pause, next/previous track
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
rechargable
Battery life, hrs
25
8
Charging time, hrs
2
3
Charging port
micro USB
micro USB
Charging cable
micro USB to USB-A
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
Headphones CHooseratoR comparison rating
- 6.8Sennheiser HD 4.40 BT
- 5.8AKG K845BT
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