FiR Audio Redux 6

Flagship Defining Precision and Design In-Ear Monitors

• HDX (High Driver Crossover) Technology for seamless treble extension
• All-aluminum shell with dark nickel plating and Stardust faceplate
• Atom XR module system for personalized acoustic tuning
• Custom Rigid Connector Technology with IPX locking system
• Premium accessories: Radon 6-inspired cable, leather case, silicone and foam tips

Revolutionary Sound with HDX Technology

At the heart of the Redux 6 is Fir Audio’s groundbreaking HDX (High Driver Crossover) Technology. This proprietary system redefines high-frequency reproduction by precisely crossing over its dual high drivers—moving them from tandem operation into a seamless, integrated crossover network. The result is a smooth, full-bodied, and exquisitely detailed treble extension, setting a new standard for clarity and immersion for audiophiles and professional performers.

The All-New Atom XR Module System

Fir Audio introduces the Atom XR module system, a compact and robust upgrade over previous designs. Featuring a secure locking key for easy installation and removal, the Atom XR allows for personalized acoustic tuning. This system is also available for Custom IEM models, offering a low-profile solution for unique branding and design integration.

Uncompromising Accessories & Customization

The Redux 6 is accompanied by a suite of premium accessories:

A newly designed cable, inspired by the Radon 6, features matching "Stardust" jewelry at the Y-split and robust, elegantly sharp hardware with a 4.4mm termination.