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Nifty Audio Limited - Sourcing Sound Solutions

Westone In-Ear Monitors

REV33 is an innovative new product for musicians, engineers and audiophiles
to use in conjunction with Westone IEM (in-ear-monitors).

 Westone In Ear Monitors

  • The REV33 reduces noises and distortions that are inflicted into the audio by correcting the electrical relationship between the amplifier and driver. This is achieved without processing the actual audio.
  • The REV33 dramatically reduces the symptoms of temporary-tinnitus, ear-ringing, ear-fatigue, buzzing & dampened hearing caused from using IEMs and headphones.
  • The REV33 is physically small and contains an analogue passive PCB. It is supplied with a small leather pouch that attaches to your wireless pack or connects in line with your listening device.

Love Your Ears & Protect Your Hearing with REV33


Westone make precise, comfortable custom-fit earpieces that provide highly effective sound transmission to the ear for an array of applications. Westone products are used within the military, music and healthcare industries; their music products are known worldwide and are a favourite with artists, professional musicians and engineers alike.

Select your Westone IEM model below to find your matching REV33

It's essential to buy the correct REV33 to match your IEM or headphones.
REV33 is currently matched to 22 Westone models. Simply select your particular model from the collection below. 

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