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Compare 3 products

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JBL Synchros E40BT Headphones
JBL Synchros E40BT
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Sennheiser RS 120-8 Headphones
Sennheiser RS 120-8
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Skullcandy Hesh 2 Wireless Headphones
Skullcandy Hesh 2 Wireless
Available colors
Editiorial reviews
2
2 editorial reviews
JBL's lower-end foray into Bluetooth headphones delivers stellar resultsRead more
JBL's newest Bluetooth over-the-ear headphones offer wireless comfort in an office or commuter environment.Read more
Read editorial reviews
4
4 editorial reviews
Sennheiser's affordable, comfortable wireless headphones sound almost as good as corded 'phones.Read more
Sennheiser RS 120 Headset Review: is one of the few products that one cannot attribute to the epithet of mediocre sound standardsRead more
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Read editorial reviews
6
3.2 out of 5
3 user ratings
5 stars
0 %
4 stars
33 %
3 stars
66 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
41
4.0 out of 5
41 user ratings
5 stars
34 %
4 stars
36 %
3 stars
29 %
2 stars
0 %
1 stars
0 %
5
4.2 out of 5
5 user ratings
5 stars
20 %
4 stars
80 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
42
4.2 out of 5
42 user ratings
5 stars
45 %
4 stars
30 %
3 stars
21 %
2 stars
2 %
1 stars
0 %

Technical details

Sound outputStereoStereoStereo
StyleOver-EarOn-EarOn-Ear
Connectivity technologyWirelessWirelessWired & Wireless
Headset (integrated/enclosed microphone)yesnono
Magnet material
N/A
NeodymiumNeodymium

Design

Colour of product
  • Black
  • Blue
  • Purple
  • Red
  • White
  • Black
  • Grey
  • Black
  • Black,Blue
  • Black,Blue,Red
  • Black,Cyan,Grey
  • Black,Red
  • Black,White
  • Blue
  • Brown,Gold
  • Cyan
  • Green
  • Grey
  • Grey,Lime
  • Pink,White
  • White
Acoustic designClosedOpenClosed
Attachment typeHeadbandHeadbandHeadband
Foldableyes
N/A
N/A
Body material
N/A
N/A
  • Foam
  • Synthetic leather
Category
N/A
N/A
Travel and Commuting
Noise isolating
N/A
N/A
yes
Connector contacts plating
N/A
N/A
Gold

Dimensions

Weight7.23 oz8.11 oz3.53 oz
Width
N/A
3.35 in3.94 in
Depth
N/A
8.86 in3.94 in
Height
N/A
5.24 in7.24 in

Sound

Impedance32.0 Ω
N/A
33.0 Ω
Sensitivity< 114< 106< 105
Frequency range20 - 2200022 - 1950020 - 20000
Driver size1.57 in
N/A
1.97 in
Maximum input power30.0 mW
N/A
100.0 mW
Driver technology
N/A
DynamicDynamic
Total harmonic distortion (THD)
N/A
0.7 %0.1 %
Diaphragm diameter
N/A
N/A
2.0 in

Connectivity

Audio streaming via bluetooth
  • A2DP
  • AVRCP
  • HFP
  • HSP
N/A
N/A
Bluetooth version3.0+HS
N/A
3.0
Bluetooth profileA2DP
N/A
A2DP
Bluetooth codecSBC
N/A
N/A
Wireless connectionBluetooth
Radio
Bluetooth
Type of connector3.5mm
N/A
3.5mm
USByes
N/A
yes
Type of USB connectorMicro-USB
N/A
Micro-USB
Multi Point connectionno
N/A
no
Wireless range
N/A
10015
Inputs supported
N/A
N/A
  • 3.5mm
  • Bluetooth
Cable length
N/A
N/A
1.2
Detachable cable
N/A
N/A
yes

Features

ButtonsVolumeVolume
  • Answer button
  • Keyguard
  • Next song
  • Play/Pause
  • Previous song
  • Volume
FM radioyesyes
N/A
Noise-canceling
N/A
N/A
yes

Power

Battery operatedyesyesyes
Battery technology
Lithium Polymer
Nickel-Metal Hydride
N/A
Battery capacity610.0 mAh
N/A
N/A
Battery life16.0 h25.0 h15.0 h
Talk time24.0 h25.0 h15.0 h
Power handling capacity30.0 mW
N/A
100.0 mW
Charging via USB
N/A
N/A
yes