1of1 Custom

1of1 Custom was established in 2015 as a company dedicated to providing customers with a variety of solutions to their hearing needs.  In order to further serve an already wide customer base, 1of1 Custom acquired the North and South American manufacturing and distribution rights for ACS Custom USA.  Our mission is to provide our customers with quality hearing solutions in an array of mediums.

ACS Custom USA

ACS was established in 1994 as a company dedicated to hearing conservation and the manufacture of custom-fit hearing protection and in-ear monitors.

Since introducing the first ever soft silicone in ear monitor, ACS has continued to be at the forefront of innovation and product development and is home to the flattest attenuating earplug in the world, the ACS PRO17.

In 2011, ACS Custom USA set up operations in New York City and has developed a huge following with artists such as The Strokes, Imagine Dragons, ZEDD using its hearing protection and/or in-ear monitors. Outside of the pro-audio application, ACS products are selected by audiophiles and music lovers to provide a stunning audio experience that reveals music at a level of indescribable detail.

With R&D pumping the ACS heart, 2014 saw the full launch of the groundbreaking Live! Series ambient system, which allows users of ACS live in-ear monitors ability to introduce and control the ambient surroundings into their monitor mix in the most natural way possible.

In the summer of 2016 ACS' distribution was acquired by 1of1 Custom.  1of1 Custom opened a new modern 3D manufacturing facility in Silicon Valley. Leading the way as the only fully 3D in-ear monitor & hearing protection manufacturer in the country, 1of1 Custom and ACS Custom USA products guarantee 100% consistency and fast manufacturing. Customers with 3D scanners are now able to send earscans electronically lab and manufacturing can begin instantly.