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Compare 4 products

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Energy Sistem BT2 Headphones
Energy Sistem BT2
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Harman Kardon CL Headphones
Harman Kardon CL
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Shure SE215LTD Headphones
Shure SE215LTD
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Shure SE425 Headphones
Shure SE425
Available colors
Editiorial reviews
11
4.1 out of 5
5 user ratings
5 stars
0 %
4 stars
100 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
4
4.4 out of 5
3 user ratings
5 stars
66 %
4 stars
33 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
8
4.1 out of 5
7 user ratings
5 stars
42 %
4 stars
42 %
3 stars
14 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
49
4.0 out of 5
49 user ratings
5 stars
34 %
4 stars
34 %
3 stars
26 %
2 stars
4 %
1 stars
0 %
42
4.1 out of 5
42 user ratings
5 stars
38 %
4 stars
35 %
3 stars
23 %
2 stars
2 %
1 stars
0 %
36
4.2 out of 5
36 user ratings
5 stars
38 %
4 stars
44 %
3 stars
13 %
2 stars
2 %
1 stars
0 %
59
3.9 out of 5
59 user ratings
5 stars
35 %
4 stars
35 %
3 stars
18 %
2 stars
8 %
1 stars
1 %

Technical details

Sound outputStereoStereoStereoStereo
StyleOn-EarOn-EarIn-EarIn-Ear
Connectivity technologyWirelessWired
N/A
Wired & Wireless
Headset (integrated/enclosed microphone)yesyes
N/A
no
Magnet materialNeodymium
N/A
N/A
N/A

Design

Colour of product
  • Black,Cyan
  • Black,Magenta
White
  • Black
  • Blue
  • Transparent
  • Black
  • Black,Silver
  • Black,Transparent
  • Clear
  • Silver
  • Transparent
Acoustic designClosedClosedClosedClosed
Attachment typeHeadbandHeadband
N/A
Ear canal
CategoryAudiophileAudiophileSportAudiophile
Foldableyesyes
N/A
N/A
Body material
N/A
Steel
N/A
Foam
Noise isolating
N/A
yesyesyes
Connector contacts plating
N/A
N/A
N/A
Gold

Sound

Impedance32.0 Ω32.0 Ω20.0 Ω22.0 Ω
Sensitivity< 93
N/A
107.0 dB< 109
Frequency range20 - 2000016 - 2000021 - 1750020 - 19000
Diaphragm diameter0.0 in1.57 in
N/A
N/A
Total harmonic distortion (THD)1.0 %
N/A
N/A
N/A
Driver size
N/A
1.57 in
N/A
N/A
Driver technology
N/A
N/A
N/A
Balanced
Maximum input power
N/A
N/A
N/A
109.0 mW

Connectivity

Inputs supported
  • Bluetooth
  • USB
3.5mm3.5mm3.5mm
Bluetooth version4.0
N/A
N/A
5.0
Wireless connectionBluetooth
N/A
N/A
N/A
Wireless range10
N/A
N/A
10
USByesno
N/A
no
Type of USB connectorMicro-USB
N/A
N/A
N/A
Cable length
N/A
1.41.61.62
3.5 mm/6.3 mm adapter included
N/A
no
N/A
yes
Type of connector
N/A
3.5mm
N/A
3.5mm
Detachable cable
N/A
yesyesyes

Often compared with Harman Kardon CL

Often compared with Shure SE215LTD

Often compared with Shure SE425