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UNIFIED PISTONIC MOTION TECHNOLOGY

Refined electrodynamic driver with UPM balanced piston membrane motion, encased in a durable and ergonomic sintered steel shell.



Rai Solo has been born from our vision to offer entry-level audiophiles a solid built and great value IEM. Ergonomic design, sturdy stainless-steel shell, refined dynamic driver, all for one purpose: enchanting your senses through a pure listening experience.


In developing the Rai Solo, we looked for a fun but well refined and controlled sound signature.

The frequency response is slightly V-shaped but we consider it to be Fun-neutral. The strongest correlation between the Rai Solo and the Rai Penta is the similar shape of the IEM. The use of Metal Injection Moulding technology for the body of the Solo made it possible to have a very complex inner shape made in mass production with great accuracy. “Rai Solo has been at the origin of the entire Rai IEM family so it shares a lot of design philosophy DNA with the flagship Rai Penta. It was supposed to be released ahead of Rai Penta, but we took our time to perfect it for mass production. The result is a high value, yet still affordable, IEM."




UNIFIED PISTONIC MOTION TECHNOLOGY EXCLUSIVE DRIVER

Wire-free diaphragm performing in asymmetric pistonic motion without disturbance from wires.





TRADITIONAL DRIVER MEMBRANE

In a traditional electrodynamic driver, the voice coil lead wires are glued to the backside of the thin membrane. This is the major factor of the unbalanced vibration.



WIRE FREE UPM DESIGN

The new UPM driver eliminates this inconvenience by using a totally different approach: the membrane itself is electrically conductive and, therefore, no wires are attached to the diaphragm. The result is a symmetric pistonic motion through its entire movement, without disturbance from the unbalance created by wires.




VIBRATION REDUCTION SYSTEM

Stainless steel is an extremely rigid material, has low resonance and therefore delivers minimum interference to the vibration created by the driver unit. In terms of audio performance, these advantages contribute to a clean and dark background with well-defined imaging.




METAL INJECTION MOULDING BODY

Anatomic design and highly durable housing for long listening sessions and extended product life.





DETACHABLE MMCX 1.3M SILVER PLATED CABLE

Industry-standard MMCX sockets which make the cables detachable and replaceable at any time.