PERSEUS marks the entry point into Effect Audio’s complete acoustic system, bringing together Effect Audio's expertise in both IEM and cable design. Developed as a unified package, every element — from its quad-brid driver architecture to its dedicated ORDINIS cable and full-metal housing — has been carefully selected and tuned to work as one coherent system.

Its design takes inspiration from the Harpe, the divine blade carried by Perseus in Greek mythology. The multi-angled aluminum faceplate carries that sense of precision into its form, while the rigid metal chamber provides a stable acoustic foundation for the 9-driver system within.

Together, the acoustic architecture, ORDINIS cable, and aluminum housing help PERSEUS deliver bass control, spatial definition, clean detail, and an effortless sense of musicality from the very first listen.

Perseus introduces Effect Audio's first quad-bird driver architecture, integrating dual dynamic drivers, dual balanced armatures, four micro planar drivers, and a bone conduction unit into a single, cohesive system. The system is engineered for high efficiency, allowing it to be driven with ease across a wide range of portable sources without loss of control or dynamic capability.

EFFECT AUDIO has always pursued sound in its most revealing and natural form, never as a display of artificial exaggeration. Their philosophy is rooted in preserving the integrity of music through balance, tonal richness, and emotional authenticity.

Perseus embodies this ethos in an IEM format that can be driven effortlessly, fatigue-free, meticulously refined and deeply human and organic in vocal expression.

ORDINIS is developed specifically for PERSEUS as part of its acoustic architecture, not as a separate upgrade cable.

Its conductor mix combines Gold-Plated Silver, UP-OCC Pure Silver, Custom Silver-Copper Alloy, and EA geometric Copper conductors, allowing the cable to support different parts of the frequency response with greater control.

By integrating ORDINIS with PERSEUS from the tuning stage, the cable helps maintain bass control, midrange coherence, treble extension, and overall efficiency across the quad-brid driver system.