Radon 6 – FiR Audio

Radon 6

The Radon 6 is a Limited Edition Anniversary model, the Universal-Fit model is limited to 300 production units world-wild. The Custom-fit model is limited to 100 units world-wide and only 20 units produced per month. Celebrating 5 years in pursuit of the ultimate in-ear monitor listening experience.

We’ve applied everything we learned from Frontier Series and mindfully retuned our popular 6-driver model and arrived at a leaner, reference warm sound signature. Featuring proprietary technologies such as Kinetic Bass, ATOM Venting, Open Acoustics, and Rigid Technologies.

The Rn6 Universal-Fit model has an all-new satin black machined aluminum body, gorgeous sapphire crystal glass faceplates, and a pure silver oxygen-free cable with copper shielding thats exclusively designed and built for the Radon 6.

The Custom-Fit model features all of the premium design options of the Frontier Series. The Rn6 CIEM also ships with the exclusive pure silver cable with copper shielding.

$3299 USD

Make 4 interest-free payments with


1x Kinetic Bass 10mm Dynamic Driver
2x OpenDriver Mid BA Driver
1x OpenDriver High-Mid BA Driver
1x OpenDriver High BA Driver (with Sound Reflector)
1x OpenDriver Ultra-high Electrostatic Driver

Freq. Range: 20-20kHz
Impedance: 28ohms

Machined Aluminum Shells (UIEM)
Sapphire Crystal Glass Faceplates (UIEM)
Pure silver, Oxygen-free, copper shielded Black Cable
Gold-plated balanced 4.4mm Termination
ATOM XS Interchangeable Modules (UIEM)
Internal ATOM and ATOM X Modules (CIEM)
Genuine Leather Protective Case (UIEM)

3 Year Warranty on CIEMs
1 Year Warranty on UIEMs

Watch: Introducing Radon 6

Custom IEM Estimated Build-Time: 3-4 Weeks
(Build time starts when usable ear impressions are received)

Celebrating 5 years of FIR Audio. Releasing a new Limited Edition model with an all-new design and sound signature.

A hybrid conduction technology that takes the IEM sound experience to a whole new level. Kinetic Bass is a bass you can feel. Learn More

A pressure relief system that vents pressures that build up in a sealed ear canal. Greatly reducing listener fatigue so you can hear more and listen longer. Learn More

Open drivers with no sound tubes that radiate sound directly into the Sound Reactor which results in a much larger sound stage. Learn More

Proprietary technologies that provide industry leading durability and serviceability of our in-ear monitor products. Learn More