Koss Pro4S vs AKG K240 STUDIO
Koss and AKG
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Common
Product
Koss Pro4S
AKG K240 STUDIO
Model
Pro4S
K240 STUDIO
Brand
Koss
AKG
Reviews
165
4995
General
Wearing style
over ear
over ear
Enclosure
closed back
semi-open
Wireless
Wired
Specifications
Transducer
dynamic
dynamic
Driver size, mm/inches
Impedance, Ohm
35
55
Frequency response, Hz
10Hz-25KHz
15Hz-25KHz
Total harmonic distortion (THD), %
0.2
Sensitivity (SPL), dB
99
104
Magnet type
Weight (headphones), g/oz
180/6.4
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
300/9.8
Jack connection (TRS)
3.5
3.5
Balanced connection
Control
Built-in control buttons
In-line control
Touch control
Voice control
App control
Control functions
Wireless connectivity
Bluetooth
has not
has not
Bluetooth version
has not
has not
aptX
has not
has not
aptX HD (Hi-Res Audio)
has not
has not
Bluetooth profiles
has not
has not
NFC
Wi-Fi
Battery
Battery type
has not
has not
Battery life, hrs
has not
has not
Charging time, hrs
has not
has not
Charging port
has not
has not
Charging cable
has not
has not
Speed charge
has not
has not
Battery free listening mode
has not
has not
Battery level indicator
has not
has not
Additional features
Water resistance
Light indication
Additional audio features
In the box
Audio cable
Carry case
Charging cable
has not
has not
1/4 Adapter (6,35 mm)
Interchangeable ear pads
Headphones CHooseratoR comparison rating
- 6.5Koss Pro4S
- 6.5AKG K240 STUDIO
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