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Westone W Series W40 4-Driver Wireless Bluetooth In-Ear Earphone

Westone W Series W40 4-Driver Wireless Bluetooth In-Ear Earphone

  • True-Fit Technology

  • Balanced-Armature Drivers

  • Bluetooth Cable

  • High-Definition Silver MMCX Cable



The four balanced-armature driver design of the W40 will take your listening to an entirely new level. The award-winning sound of the W40 features a beautifully-flat frequency response with articulate lows, precise mid-range, sparkling highs, and performance that is perfect for recorded and mastered music. The Westone W40 is the ideal first earphone for those music lovers and critical listeners looking to get the absolute most from their listening experiences. Ideal for all personal audio and video devices.

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 W40 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 W Series W40 Universal-Fit Earphones
1 x High-Definition Silver MMCX Audio Cable
1 x Westone Bluetooth Cable
5 Pairs of Patented STAR™ Silicone Eartips
5 Pairs of True-Fit™ Foam Eartips
1 x Exchangeable Metal Faceplates
1 x Deluxe Zippered Carrying Case

Colour Black
Warranty 2 years (local)
Availability Preorder / Backorder (currently unavailable)
Product Type Earphone
Style/Type Universal In-Ear
Features Bluetooth, Line-in
Driver Configuration 4-Drivers (Balanced Armature)
Frequency Response (Hz) 10 Hz - 18,000 Hz
Impedance (Ω) 31 Ω @ 1 kHz
Sensitivity 118dB SPL @ 1mW
Headphone Design Closed-Back
Cable Style Detachable (MMCX)
Input Connectivity 3.5mm stereo, Bluetooth
Cable Length (cm) Wired 132cm / Wireless 70cm
Additional Tech Specs

Refer to Official website for Full Technical Specifications

User Reviews