Our Partners


We are proud to be in close collaboration with Subtonic LLP, a small Singaporean firm like us. Subtonic LLP specialises in innovative IEM design, creating new technologies to address the requirements of discerning audiophiles and musicians all around the world. 


We incorporate Subtonic technologies to provide technical advantages in our earphones. The Filtered Linear Attenuation Tuning (FLAT) technology allows you to enjoy unimpeded sound with Symphonium Audio IEMs, regardless of any device you choose. 
We push the limits together with Subtonic.