Westone AC20 Custom In Ear Monitors


*Please check with our online customer service team or your local store for stock availability


The AC Series breaks new ground in performance, quality and value. Handcrafted in the same custom lab alongside the revered Westone ES Series, the AC Series uses balanced armature drivers to accurately reproduce your live performance.

  • The “cold pour” clear acrylic body with the EPIC removable cable is exceptionally comfortable, provides up to 25dB of ambient noise reduction and is quite stealthy on stage.

    • Ear impressions are required to order all Westone Custom products.
    • Dual-Driver Balanced Armature Technology
    • Ultra-accurate, true dual-driver system delivers a accurate reproduction in the ear.
    • Westone EPIC Removable Cable
    • Ultra supple braided design insures comfort and resists tangles
    • Robust bifurcation w/slide adjustment keeps cord in place during activity
    • Over-the-ear cable design offers superior in-ear comfort and isolation from mechanical cable noise
    • Westone True-Fit Technology
    • 50 years experience with in-ear applications has yield optimum ergonomics and fit
    • Custom cold-pour acrylic body delivers maximum comfort and in-ear coupling for dynamic transfer of sound.
  • Sensitivity: 119 dB @ 1mW

    Frequency response: 20 Hz - 18 kHz

    Impedance: 27 ohms @ 1kHz

    Driver: Dual balanced armature drivers with a passive crossover

    Cable: EPIC removable cable

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