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Energy Sistem BT9

PRO rating
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How it works?
  1. User ratingsUser ratingsratings of product added by Productz users
  2. Expert ratingsExpert ratingsexperts ratings from editorial reviews
  3. Consumer ratingsConsumer ratingsratings from the biggest online stores worldwide
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  2. Good
  3. Poor
  4. Average
User ratings:
4
4.3 out of 5
4 user ratings
5 stars
50 %
4 stars
25 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
Consumer ratings:
2.8 / 5

Pros

  • great audio quality it offers

Cons

  • the build quality is pretty disappointing
  • lack of clarity also makes this pair unsuitable for densely layered recordings
  • very rigid and hard to use

Key specs

  • 32 Ω
  • , 117 dB
  • 5, 25000 Hz
  • Closed
  • Surround
  • Over-Ear
  • Wired & Wireless

Compare technical data of the product to its category

Energy Sistem

Energy Sistem BT9 - Pros & Cons

Energy Sistem BT9

Pros

  • great audio quality it offers

Cons

  • the build quality is pretty disappointing
  • lack of clarity also makes this pair unsuitable for densely layered recordings
  • very rigid and hard to use
  • Audio performance is not the same in passive wired mode
  • The microphone is pretty underwhelming

Energy Sistem BT9 - Technical Overview

PoorAverageGoodExcellent
IconImpedance
32 Ω
Best:
Stax SR-L500
Impedance: 145000 Ω
IconWeight
282 g
Best:

Energy Sistem BT9 - Full Specifications

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Technical details
Sound outputSurround
StyleOver-Ear
Connectivity technologyWired & Wireless
Headset (integrated/enclosed microphone)yes
Magnet materialNeodymium
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Dimensions
Width7.87 in
Depth7.87 in
Weight9.95 oz
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Microphone
Microphone typeBuilt-in microphone
Microphone sensitivity-80.0 dB
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Features
Playback controlsyes
ButtonsVolume
NFCyes
Carrying caseyes
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Design
Colour of productBlack
Acoustic designClosed
Attachment typeHeadband
CategoryStudio
Foldableyes
Noise isolatingyes
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Sound
Impedance32.0 Ω
Sensitivity< 117
Frequency range5 - 25000
Total harmonic distortion (THD)1.0 %
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Connectivity
Inputs supported
  • 3.5mm
  • Bluetooth
  • USB
Cable length1.6
Bluetooth version4.0
Bluetooth profileAPT-X
Wireless connectionBluetooth
Wireless range10
Detachable cableyes
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Power
Battery technology
Lithium Polymer
Battery capacity650.0 mAh
Battery life16.0 h
Talk time20.0 h

Energy Sistem BT9 - Q&A

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