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Rhapsodio Infinity Ultra (2026)
Sammy Mak, founder of Rhapsodio and a renowned expert in multi-driver IEM design, set out to achieve the ultimate performance from balanced armature (BA) earphones.
The Infinity Ultra features an impressive configuration of 18 BA drivers and 4 EST electrostatic drivers per side. With its sophisticated acoustic architecture, it delivers exceptional resolution, remarkable layering, and a highly immersive listening experience that has earned widespread acclaim from audiophiles around the world.
Building upon its acclaimed 18 BA + 4 EST platform, the 2026 version further upgrades the internal wiring to a gold-silver alloy conductor. Combined with Sammy's years of tuning expertise, this enhancement allows for even more seamless integration between driver groups while maintaining outstanding separation. The result is a wider soundstage, greater dynamic impact, and an abundance of rich, finely detailed musical information.
In addition, the shell is ergonomically designed to provide a comfortable and secure fit. Despite housing a total of 22 drivers per side, the Infinity Ultra remains comfortable for extended listening sessions, allowing users to enjoy their music with ease for hours on end.
Driver Configuration
▪ Sub-bass: 2 BA drivers
▪ Bass: 2 BA drivers
▪ Full-range (Low, Mid, and High Frequencies): 4 BA drivers
▪ Upper Midrange: 2 BA drivers
▪ Treble: 4 BA drivers
▪ Ultra-High Frequencies: 4 BA drivers
▪ Super High Frequencies: 4 EST electrostatic drivers
Total Driver Count per Side:
18 BA drivers + 4 EST electrostatic drivers (22 drivers total) per earpiece.