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Westone B30 Triple Drivers IEM Earphones with Bluetooth Cable

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  • Three custom-made balanced armature drivers with three-way crossover

  • Powerful bass response with balanced detail and intense clarity

  • Westone MMCX Bluetooth audio cable with controls and mic

  • Westone high-definition silver MMCX audio cable

  • Exchangeable metal faceplates

Westone B30 Triple Drivers IEM Earphones with Bluetooth Cable

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Westone B30

Tuned to offer exceptional bass oriented sound without sacrificing the high and mid frequencies, Westone B30 is the natural evolution of W30. Westone B30 monitor earphones are able to provide big and bold bass-driven sound by means of the biggest low-end balanced armature driver implemented in in-ear monitors. Together with separate mid- and high-frequency drivers with a sophisticated three-way crossover the sound the B30 creates is clear, balanced and powerful.

Westone B30 with three balanced-armature drivers has a powerful sound that is sure to satisfy listeners that crave a powerful low-end rumble united with a sound that is totally immersive, with sonic detail and clarity that has to be heard to be believed. The B30 is ideal for listening to today's most popular music and is perfectly suited to personal audio and video devices.

With the full-resolution Bluetooth Cable, the B30 is able to convey extraordinary detail, clarity and a highly dynamic soundstage wirelessly. Westone have also included it's high-definition silver cable with low resistance copper wire to improve conductivity and provide a more clear and detailed sound.

Deeply satisfying listening.

Westone B30


True-Fit Technology
With 60 years of experience in designing and making in-ear audio products, Westone are experts in creating low-profile, lightweight, universal-fit monitor earphones that provide the highest comfort and perfect in-ear coupling for the best possible listening experience.

Advanced Balanced Armatures
Custom designed and expertly tuned balanced armature drivers with smaller dimensions than standard dynamic models provide enhanced sonic detail and a broad frequency range.

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

Bluetooth Cable
Westone’s full resolution Bluetooth cable provides the most immersive and articulate wireless earphone experience on the available. Powered by aptX technology and tuned by Westone to provide the best listening experience possible.

Made in the USA
Meticulously built by a staff of dedicated artisans and lab techs, Westone's USA products exhibit a level of craftsmanship that truly embodies America's rich history of handmade artistry.



  • Driver: Three balanced armature drivers with three-way crossover (single low, single mid, single high-frequency drivers)
  • Sensitivity: 107dB SPL @ 1mW
  • Frequency response: 15Hz - 18kHz
  • Impedance: 30Ω @ 1kHz
  • Passive noise attenuation: 25dB
  • Cable: High-Definition Silver MMCX cable (132cm) / Westone Bluetooth Cable (70cm)
  • Bluetooth Version: 4.0



  • Powerful bass response with enhanced sonic detail and clarity
  • Three custom-made micro balanced armature drivers
  • Separate drivers for bass, mid-range and high frequencies
  • Advanced three-way crossover design
  • Westone MMCX Bluetooth audio cable
  • High-definition Silver Plated MMCX audio cable
  • Star and True-Fit silicone eartips in multiple sizes
  • Different coloured exchangeable metal faceplates
  • Designed and assembled in the USA



  • Westone B30 Earphones
  • Five sizes of patented STAR silicone eartips
  • Five sizes of premium True-Fit comfort foam eartips
  • Westone MMCX Bluetooth audio cable
  • Westone high-definition silver MMCX audio cable
  • Exchangeable faceplates
  • Deluxe zippered carrying case


Product TypeEarphones
Feature KeywordBluetooth, Comfortable, Ear Canal, IEM, In Ear, Microphone, Monitor, Noise Isolation, Portable, Rechargeable, Smartphone, Studio, Water Resistant, Wireless
Recommended UseDigital audio player, Mobile phone, Portable audio system
Manufacturer Warranty2 Years
Included AccessoriesSilicone eartips, Foam eartips, Bluetooth audio cable, High-definition audio cable, Faceplates, Carrying case
Part Number70025
Headphone Fit TypeIn-Ear
Headphones TypeHeadphones - binaural
Cable EntryNo
Cable LengthHigh-Definition Silver MMCX cable (132cm) / Bluetooth Cable (70cm)
Connector AngleStraight
Connector TypeHeadphones (3.5 mm stereo jack)
Detachable CableYes
Driver SizeNo
Driver TypeBalanced Armature
Connectivity TechnologyNo
Earcup DesignNo
Frequency Response15Hz - 18kHz
Headphones Form FactorIn-Ear
Headphones TechnologyBalanced Armature
Number of DriversTriple Drivers
Sound Isolation (dB)25dB
Sound Output ModeStereo
Smartphone CompatibilityUniversal 3 Button
Smartphone ControlsCall Answer/Hangup, Music Track Fwd/Back, Volume Control
Total Harmonic Distortion (THD)No
Wireless TechnologyBluetooth

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