While best known for their custom ear molds, Westone Laboratories was also the creator of the world’s first true three-way in-ear-monitor with the ES3 IEMs. Geared primarily towards the professional musicians than audio enthusiast, Westone’s ear molds are still the number one choice of some the premier in-ear monitor manufacturers in the world.

Westone Laboratories Inc. was established in 1959 and a business based upon three simple concepts; absolute quality, friendly, and efficient service a lot was created. Westone has become the world's largest manufacturer of custom-made products for the ear. The installation of state of the art manufacturing equipment and the use of techniques proprietary to Westone has allowed them to bring innovative and unique products to the hearing healthcare field. Westone's well deserved reputation for quality has allowed them to refine their line of custom ear mold designs for the hearing impaired as well as provide a full range of hearing protection and communication products. In addition to quality custom-made ear products for the hearing impaired, industry, musicians, and recreation, Westone also has a complete line of products for the hearing healthcare professional.