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boAt Airdopes FreesoulZ 511 True Wireless Stereo (TWS) Earphones vs Sennheiser HD239 Wired Headphones
boAt Airdopes FreesoulZ 511 True Wireless Stereo (TWS) Earphones
vs
Sennheiser HD239 Wired Headphone
comparison
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boAt Airdopes FreesoulZ 511 True Wireless Stereo (TWS) Earphones
Sennheiser HD239 Wired Headphones
key specs
Colour
Black
Black
Headphone Type
In-Ear
Over-Ear
Microphone
Yes
No
Connectivity
True Wireless Stereo (TWS)
Wired
Type
Earphones
Headphones
general
Brand
boAt
Sennheiser
Model
Airdopes FreesoulZ 511 True Wireless Stereo (TWS) Earphones
HD239 Wired Headphones
Release date
November 28, 2018
November 8, 2012
Colour
Black
Black
Type
Earphones
Headphones
Headphone Type
In-Ear
Over-Ear
Connectivity
True Wireless Stereo (TWS)
Wired
Inline Remote
Yes
-
Model Number
Airdopes FreesoulZ 511
HD239
product details
Microphone
Yes
No
Driver Size (mm)
5.8
-
Water Resistant
Sweat Proof
-
Weight (g)
52.00
280.00
Cord Length (Metres)
-
1.4
Connector Size
-
3.5mm
connectivity features
Bluetooth
Yes
No
battery features
Battery Life (Hrs)
4
-
sound features
Impedance (Ohms)
-
32
Sensitivity (dB)
-
114
Frequency Response Range
-
16Hz-23,000Hz
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