Universal XR4

The flagship in the Xr series from Audio Rif product line up, the Xr4 features a departure from the hybrid design that Fir Audio has done in the past. The All Balanced Armature design with a Dual Low configuration gives this model a deep controlled bass punch while maintaining the detail integrity. Featuring the Open BA high driver similar to the Fir Audio frontier series puts the Xr4 in an extremely high value in price vs performance. Specifically designed for the global market for the working performers and discerning audiophile who enjoy great sound at a value price point.

$750

2-Pin

Connector

4BA

Drivers

Aluminum

Shells

Precision. Performance. Value.

The Xr4 redefines excellence in the Audio Rif lineup, delivering an all-balanced armature design with Dual Low configuration for deep, controlled bass and pristine detail. Inspired by the Frontier Series' Open BA high driver, the Xr4 offers exceptional sound quality at a competitive price—crafted for working performers and discerning audiophiles worldwide.

4BA Drivers

20-20kHz Frequency Range

18 Ohms Impedance

-31db Isolation

Technical

Specifications

All Balanced Armature Design

The robust nature of the balanced armature drivers provide a high fidelity sound while maintaining a robust structure. Coupled with our accessory maintenance offerings the Xr4 features the Snap Screen technology and is one of the most user maintainable IEM on the market.

Global Support Network

No matter where you are in the world you can have the peace of mind that the Xr4 is backed by a global service and support network offered by Fir Audio's 4+ global locations and service dealer extensions. A world class product deserves world class service.