Synchros S300 NBA Edition - Bulls


Stylish Synchros on-ear stereo headphone

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The new shape of sound

Revolutionize your portable listening Now you can have your sonic revolution and carry it easily too. The new JBL Synchros S300 breaks from traditional headphone design. Lightweight, yet durable, with a steel headband and leather ear cushions, the S300 is comfortable for hours of listening. Modeled after the same JBL sound systems used in the world’s most prestigious clubs, the S300 delivers a balanced audio experience with amazing clarity and deep, powerful bass. The earcups rotate and fold in for simple, compact storage. Available in 6 colors, the S300 is compatible with both iOS and other Smartphones.


General Specifications

Type On-Ear Headphones

Audio Specifications

Frequency Response 10Hz – 22kHz
Maximum Input Power 30mW

Speaker Specifications

Driver 40mm

Control and Connection Specifications

Connector 3.5mm jack
Click here for a complete list of all specs for this product

Spec Sheet (EN)

2 MB
  • 1 pair JBL S300 on-ear stereo headphones
  • 1 three-button iOS remote/microphone cable or 1 three-button universal
  • remote/microphone cable
  • Carry Case
  • Quick-start guide

Manuals & Downloads

The latest owner's manuals, quick start guides, and documents.

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Synchros S300 NBA Edition - Bulls is rated 4.3 out of 5 by 4.
Rated 5 out of 5 by from I really enjoyed them I definitely would recommend
Date published: 2018-12-20
Rated 5 out of 5 by from GREAT SOUND!!!!!!!!! I bought these for my grandson,they sound so good I think I'll keep them for myself.
Date published: 2018-03-06
Rated 4 out of 5 by from Great smal speaker Just bought it for my little girl’s Christmas gift, she love it
Date published: 2018-12-20
Rated 3 out of 5 by from jbl HEADPHONES I thought they were fine for what I paid, but definitely not worth the advertised price whatsoever...they serve me for the purpose I bought them for, but there are definitely better headphones out there, but again, great for the price I paid
Date published: 2018-04-10
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are they bluetooth as well as wired

Asked by: BigFella
The SYNCHROS S300 NBA Edition is a wired headphone. It doesn’t feature Bluetooth technology.
Answered by: MarkS at Customer Service
Date published: 2018-06-22

What's the weight of them ?

Asked by: DavidC123
The shipping weight of the SYNCHROS S300 is 1.6 lbs.
Answered by: Ren at Customer Service
Date published: 2018-02-22

Is there a built in Microphone?

Asked by: Dan y
Hi! The microphone of the Synchros S300 is built in to its cable.
Answered by: Gian at Customer Service
Date published: 2018-04-14

Are these headphones compatible with laptops and personal computers?

Asked by: Shweta
Yes, the S300 series may connect to laptops and personal computers via auxiliary/wired connection. The S300 comes with an audio cable that can plug in to your laptop/PC’s headphone jack.
Answered by: Ren at Customer Service
Date published: 2018-02-15

How is the bass on these headphones? Are the headphones more for looks but not sound quality?

Asked by: Jose A
You can expect great sound quality and crisp bass with these headphones. The S300 boasts of the Signature JBL sound with PureBass performance technology that will let you enjoy the deepest-hitting drums without sacrificing a hint of sound quality.
Answered by: Ren at Customer Service
Date published: 2017-12-02
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