Westone 4 R series
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Westone 4 R Series

The Quad-Driver Westone 4 R-Series will take your listening experience to an entirely different level. Four symmetrically balanced armature drivers engineered into an advanced three-way crossover network deliver breathtaking clarity, realism and imaging.

Westone’s True-Fit technology provides superior ergonomics and comfort.

The Epic Removable Cable with a low profile audiophile grade two-pin connector has high-strength and an ultra-low resistance tensile wire design with Aramid fiber.

Micro-Driver Balanced Armature Dual low frequency, single mid and single high frequency driver system.

Acoustic Symmetry +/- 2dB acoustically matched earpieces.

Email sales@acustoms.com.au for a quotation



  • Sensitivity: 118 dB SPL @ 1Mw
  • Frequency Response: 10Hz – 18kHz
  • Impedance: 31 ohms @ 1kHz
  • Driver: Four balanced armature drivers
  • Cable: EPIC removable cable
  • Features: Crush resistant travel case, assorted eartips, 1/8” to 1/4” adapter, inline volume attenuator and wax loop for cleaning



Micro-Driver Balanced Armature Technology 
– Ultra-accurate four-driver system for the most dynamic sound available in a universal fit earphone.

Westone EPIC 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
– True -Fit sound port delivers maximum comfort and in-ear coupling for dynamic transfer of sound.

Monitor Vault
R-Series earphones ship with Westone’s new Monitor Vault. Designed specifi cally for transporting high-end earphones and manufactured in Colorado of a highimpact polymer, it’s the perfect size for travel and storage. Each Monitor Vault features a protective foam interior and weather resistant design.



  • 2 Year against manufacturing and component failure


Email sales@acustoms.com.au for a quotation