S400BT Jet Refurbished


Premium On-ear Bluetooth® Stereo Headphone

$244.99244.99 each $349.99 Save $105

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Sound that’s meant to be seen in.

Whether streaming on Bluetooth 3.0 or connected via cable, the JBL® Synchros® S400BT+ Jet Black delivers big when it comes to brilliant listening. Unfold its plush earcushions from their collapsible steel headband and prepare for the relentless precision of JBL PureBass performance or the rich sound of advanced aptX wireless audio. An intuitive touch-sensor on the left earcup lets you adjust volume, switch tracks, or receive calls with the simple swipe of a finger. And while you’re busy swiping, an LED light trail tracks the movement of your fingers across the sensor, spotlighting your audio experience for all eyes to see.


General Specifications

Type Premium On-ear Bluetooth® Stereo Headphone
Drivers Premium 40mm
Dynamic frequency response 20Hz–20kHz
BT frequency range 2.402-2.480GHz
BT transmitter power <4dBm
BT transmitter modulation GFSK π/4 DQPSK 8-DPSK
Maximum SPL 115dB @ 30mW
Rated Power input 30mW
Microphone sensitivity -42dBV/Pa @ 1kHz
Battery type Lithium polymer (3.7V, 610mAh)
Music playing time 15 hours
Talk time 20 hours


Dimensions (H x W x D) 190 mm x 146 mm x 77mm
Weight 275 g
  • 1 x pair JBL® Synchros® S400BT+ Jet Black wireless on-ear Bluetooth® stereo headphone
  • 1 x USB charging cable
  • 1 x 3.5 mm audio cable
  • Carry Case
  • Quick-start guide

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1 Year

Products purchased online or from an authorized local retailer and under warranty may qualify for an exchange with a valid receipt.

Purchases made from an unauthorized dealer will not be eligible for exchange.

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