Fostex T50RP MK3 vs Koss Pro4S
Fostex and Koss
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Common
Product
Fostex T50RP MK3
Koss Pro4S
Model
T50RP MK3
Pro4S
Brand
Fostex
Koss
Reviews
301
165
General
Wearing style
over ear
over ear
Enclosure
semi-open
closed back
Wireless
Wired
Specifications
Transducer
dynamic
dynamic
Driver size, mm/inches
Impedance, Ohm
50
35
Frequency response, Hz
15Hz-35KHz
10Hz-25KHz
Total harmonic distortion (THD), %
0.2
Sensitivity (SPL), dB
92
99
Magnet type
Weight (headphones), g/oz
315/11.1
180/6.4
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
120/3.9
140/4.6
Jack connection (TRS)
6.35
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
- 7.5Fostex T50RP MK3
- 6.5Koss Pro4S
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