Stealth Sonics is a Singapore-based audio company that designs and assembles in-ear monitors for musicians, sound engineers, audiophiles, and gamers. Founded by a team of audiologists, engineers, musicians, and gamers, the company draws on disciplines spanning audiology, aerospace engineering, and pro audio to develop its IEM lineup, with additional offices in Nashville, Delhi, and Canada.

The brand offers a Universal Series — including the four-driver U4, the nine-driver hybrid U9, and the Vulcan gaming IEM — as well as a Custom Series of custom-molded monitors comprising the C2, C4, and C9. Product positioning leans on stage and studio use cases, with attention to driver configuration, resonance control, and hearing protection. All monitors are designed and assembled in Singapore.

Stealth Sonics has 2 products cataloged on Equipboard, including Headphones & In-Ear Monitors. Their gear is featured by 2 artists, with the strongest followings in Rock, Metal, and Electronic. Notable users include Samus Paulicelli and Neon Vines.