FIR Audio Radon 6 CUSTOM FIT In-Ear Monitor - Discontinued add extension cable option 1 BA x Low-Mid

1 BA x Low-Mid

6 V DC Output Current Frequency Response Signal-To-Noise-Ratio Battery Life

aptX adaptive for High Quality Wireless Audio

The semi-open design of the FD3/FD3 Pro based on FiiO's patented technology for balanced air pressure within brings several advantages

4 mm (1/8") gold-plated stereo output mini-plug

FIR Audio Radon 6 CUSTOM FIT In-Ear Monitor - Discontinued add extension cable option 1 BA x Low-Mid(The Universal Fit is discontinued) Radon 6 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. Weve 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,