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Westone B Series B50 5-Driver Wireless Bluetooth In-Ear Earphone

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Westone B Series B50 5-Driver Wireless Bluetooth In-Ear Earphone

  • True-Fit Technology

  • Balanced-Armature Drivers

  • Bluetooth Cable

  • High-Definition Silver MMCX Cable



The Westone B50 features five balanced-armature drivers and is designed for the music lover who just can’t get enough low-end. By combining our largest low-end balanced-armature driver, with two mid-range, and two high-frequency drivers the B50 creates a sound that is totally immersive, with sonic detail and clarity that has to be heard to be believed.

60 years of experience designing products for the ear, has resulted in a universal-fit earpiece that is compact, low-profile, lightweight, and extremely comfortable. Our proprietary eartips enhance the performance of the B50 by ensuring a great fit and seal, right out of the box.

Westone’s proprietary balanced-armature drivers provide enhanced sonic detail and frequency range that extends well beyond other in-ear solutions.

Full-resolution Bluetooth Cable uses aptX® technology to deliver extraordinary detail, clarity, and a dynamic soundstage that has to be heard to be appreciated. The Westone Bluetooth Cable features; 8 hours of battery life, a 10 meter/32-foot range, has a water and dust resistant IPX-4 rating and features our exclusive MMCX Audio® connectors, which allows the Bluetooth Cable to be used with any custom-fit or universal-fit earpiece

Westone’s High-Definition Silver MMCX® Cable features four strands of low-resistance, pure-silver plated copper alloy, braided around a centre strengthening the core. Low resistance silver-plated copper wire improves electrical conductivity, providing extraordinary clarity and detailed sound reproduction.

Technical Specifications

Additional Information

Package Contents

1 x Westone B50 Earphone
1 x High-Definition Silver MMCX Audio® Cable
1 x Westone Bluetooth Cable
5 Pairs of Patented STAR™ Silicone Tips
5 Pairs True-Fit™ Foam Tips
1 x Exchangeable Metal Faceplates
1 x Deluxe Zippered Carrying Case

Colour Black
Warranty 1 year (local)
Product Weight (g) 348
Availability Preorder / Backorder (currently unavailable)
Product Type Earphone
Style/Type Universal In-Ear
Features Bluetooth, IPX4~IPX6 (Sweatproof, Splashproof/Water-resistant), Line-in
Driver Configuration 3-Drivers (Balanced Armature)
Frequency Response (Hz) 10 Hz - 20,000 Hz
Impedance (Ω) 35 Ω @ 1 kHz
Sensitivity 118dB SPL @ 1mW
Headphone Design Closed-Back
Cable Style Wireless and Wired (Detachable for 3.5mm)
Input Connectivity Bluetooth
Cable Length (cm) 70
Additional Tech Specs

Refer to Official website for Full Technical Specifications

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