Westone Adventure Series Beta High Performance Earphones w/ Inline Mic & Volume Controls

Item # WST78401 (Part # 78401)
Brand new, USA Warranty
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Item Description:
  • Proprietary extended range single 6.5mm micro driver for superior sound
  • IPX-3 Weather Resistant
  • Zinc Unibody
  • In-Line Microphone and Remote
  • AWACS Reflective Cable
  • Includes Case & Patented STAR Silicone and True-Fit Foam Tips
  • Introducing The Adventure Series Beta Earphones From Westone

    The Adventure Series BETA is ready for anywhere life's soundtrack will take you. The zinc unibody design is durable and stylish while the AWACS Reflective cable is replaceable and boasts a 3 button control system and mic. Thanks to our Active Fit System with swivel cable, your Adventure Series BETA is comfortable and can be worn with cables straight down or in the Up and Over configuration for all-day fit, comfort and performance.

    Westone Adventure Series Adv Beta

    Second Generation To The Critically Acclaimed Adventure Series Adv Alpha, Beta Exceeds The Expectations Of Earphones Created For An Active Lifestyle. The Adv Beta Offers The Same Sonic Excellence Combined With A New Precision-Crafted Zinc Unibody, Aluminum Faceplate And Swivel Cable For Multiple Fitting Positions.

    Keeping sound quality a priority, Westone integrated their rich heritage of signature driver technologies into the Adventure Series Beta. A proprietary extended range 6.5mm micro driver with PST (Precision Surface Tuning), 20Hz -18kHz frequency response, and impedance of 21 ohms, delivers sonic accuracy with extended detailed bass.


    • Replaceable Awacs Reflective Cable Featuring 3-Button Remote
    • Zinc Unibody
    • Ipx-3 Weather Resistant
    • Single 6.5mm Micro Driver
    • Dual position cable routing to ensure superior fit, comfort and retention
    • iPod, iPhone, iPad Compatible
    • In-Line Microphone and Remote Control
    • Travel Case Included
    • Ear Tips, Up and Over The Ear Adapters Included
    • Aluminum Faceplate
    • Active Fit System



    Adventure Series

    Adventure Series Is The Culmination Of Two Decades Of Experience With Audio And In-Ear Monitors. Designed For Active Users, Adv Creates A New Category Of Cross-Over Earphones That Can Be Enjoyed In Any Environment.

    Active Fit System

    Up & Over Cable Routing And Patented Star Tips Ensure Superior Fit, Comfort And Retention.

    Audiophile Fidelity

    Proprietary Extended Range 6.5mm Micro Driver With Pst (Precision Surface Tuning) Delivers Sonic Accuracy With Extended Bass.

    Ipx-3 Weather Resistant

    Protection Against Spraying Water And Adverse Conditions For Everyday Use, Rain Or Shine.

    Awacs Reflective

    Adventure Warning And Control System: Better Visibility In Low-Light And Adverse Conditions With A Reflective, Replaceable Cable Featuring 3-Button Control System.

    Zinc Unibody

    Precision Crafted Zinc Unibody And Aluminum Faceplate For Strength, Durability And Style.

    Patented STAR Silicone Tips and True-Fit Foam Tips

    Our Patented STAR design offers the best fit of any silicone eartip resulting in the best performance available. True-Fit foam tips allow for superior noise isolation and dynamic performance.

    ADV Rugged Trave Case

    The travel case offers a rugged, water resistant solution to carry your ADV Beta earphones. The case features a soft-touch feel and integrated attachment loop with secure screw-down closure.

    Up and over Adapter

    Once the Up and Over adapter is attached on the earphone, ADV Beta can be routed over the top of your ear to limit movement of the earphone.

    Swivel Cable

    Cable swivels for multiple fitting positions. 1) Standard straight down. 2) Up and Over.


    Limited 2-year Warranty


    • Sensitivity: 97 db @ 1mW
    • Freq response: 20 Hz - 18 kHz
    • Impedance: 21 Ohms
    • Driver: 6.5mm Dynamic Driver
    • Cable: AWACS Reflective

    In the box:

    • Adventure Series Beta High Performance Earphones (78401)
    • Rugged Travel Case
    • 2 x Up and Over Adapter
    • AWACS reflective cable with 3-Button Control System
    • Five sizes of patented STAR silicone ear tips
    • Five sizes of premium True-Fit comfort foam ear tips
    • Cleaning tool
    • Owner's Manual/Welcome Card
    • Limited 2-year warranty

    About Westone:

    Founded in 1959 and celebrating 55 years of audio excellence in 2014, Westone is the world's premier manufacturer of high performance in-ear musician's monitors, earphones and innovative speaker technology. After five decades of in-ear and acoustic innovation, Westone has developed a sizable portfolio of exclusive technologies, which incorporate only the most premium materials and optimal processes into all its products. Westone continues to pioneer new innovation into the world of audio and hearing. Their in-ear earphone product lines are actively endorsed by musicians and have won acclaim in countless reviews among audiophiles and artist worldwide.

    Westone Adventure Series Beta High Performance Earphones (78401)
    Rugged Travel Case
    2 x Up and Over Adapter
    AWACS Reflective Cable with 3-Button Control System
    Five Sizes of Patented STAR Silicone Ear Tips
    Five Sizes of Premium True-Fit Comfort Foam Ear Tips
    Cleaning Tool
    Owner's Manual/Welcome Card
    Limited 2-year Warranty
    This Kit Includes: