No Other Brand is like Audio RiF

Every Decision We Make is to Give You a More Value Packed, Quality IEM

A New Chapter from Fir Audio

Discover Audio Rif—a brand created by Fir Audio, trusted by world-class musicians for its precision engineering and professional-grade reliability. Audio Rif delivers premium performance at a more accessible price point, offering a versatile range of in-ear monitors designed for stage performers, critical listeners, audiophiles, and passionate music enthusiasts alike.

What's the difference between FiR Audio and Audio RiF?

Manufactured in our American owned state-of-the-art production facility in Dongguan China. 3d printing along with Audio Rif’s unique production process of modular assembly makes our brand the most advanced production process in the entire region. Sourcing knowledge and parts globally and directly from Fir Audio’s Facility in Washington State makes the Audio RiF an unbeatable value.

Each Model Optimized Differently

The FR10 has tactile bass & ATOM venting, the Xr3 uses a hybrid driver system, the Xr4 has an all-balanced armature design, whereas the Xr5 has ATOM-X modules, kinetic bass & so much more. Each model is optimized to give you the sound & value for its price point.

Product Range

Audio Rif’s line of products cover a range from stage performers to the most discerning lister and lovers of music.

The Technologies

• All models use the ultra-reliable RCX connector - just like the high-end FiR Audio products

Flex-Fit Canals

Super comfortable, keeps out sweat, a shorter canal length reduces insertion depth for greater comfort

Fr10

10 mm Driver

Isolation-23 dB
Sensitivity 109 dB/mW @ 1kHz
Impedance14 Ohm
Frequency Response10Hz - 20kHz

• 10mm Electro-Dynamic Low
• Tactile Bass Technology

The FR10 boasts a powerful single 10mm electrodynamic driver featuring our Tactile Bass Technology. Crafted with precision from top-tier materials, the driver undergoes rigorous testing to meet our uncompromising standards for sound quality. With a single source of sound, the Fr10 achieves unparalleled phase coherence, delivering an immersive listening experience that spans from airy, crispy highs to the profound depths of the lows.

$450 (Custom)

Xr3

3 Hybrid Drivers

Isolation-33 dB
Sensitivity102 dB/mW @ 1kHz
Impedance15 Ohm
Frequency Response10Hz - 20kHz

• 6mm Dynamic Low Driver
• Balanced Armature Midrange
• Open Balanced Armature Highs

The Xr3 offers the best value in the Xr series, combining Fir Audio's engineering excellence with accessible pricing—now with the transformative advantage of a custom-molded fit. Boasting a 6mm dynamic low driver for the ultimate hybrid design. Crafted exclusively for your ears, the custom shell ensures a perfect seal, providing unparalleled comfort and passive noise isolation. This hybrid in-ear monitor is a perfectly tuned sound for any application.

$550

Xr4

4 Balanced Armatures

Isolation-31 dB
Sensitivity104 dB/mW @ 1kHz
Impedance18 Ohm
Frequency Response20Hz - 20kHz

• 2 Balanced Armature Lows
• 1 Balanced Armature Midrange
• 1 Open Balanced Armature High

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. Now, experience this reference-quality sound. This personalized fit ensures a perfect acoustic seal, maximizing the performance of the Frontier Series-inspired Open BA high driver. The custom Xr4 transforms from a premium earphone into a personal monitoring solution.

$750

Introducing the Xr5-

IN addition to the other fine features of the Audio Rif in-ear monitors, the Xr5 also has a different kind of:

Kinetic Bass featuring a 6mm open, outward-facing dynamic driver transmits powerful lows directly to ear cartilage via bone conduction for visceral, dimensional, ultra-extended bass that's accurate and feelable.

ATOM XR Venting (5th gen) — Relieves ear canal pressure to eliminate fatigue, enabling hours of comfortable listening with a wider, more natural soundstage.

$1,399

The Innovation That Sets Audio Rif Apart

Audio Rif’s engineering elevates Audio Rif to the level of a truly high-performance in-ear monitor. Its proprietary driver configuration, precision acoustic tuning, and signal-optimized internal architecture work together to deliver superior clarity, balance, and dynamic response. Here are some examples of Audio Rif’s unique integrated technologies are what make Audio Rif special.

FlexFIt Canals

The FlexFit Canals represent an industry-first innovation in custom in-ear monitor (IEM) design, enhancing fit, comfort, and performance for musicians and audiophiles.

Key Features

Shorter canal length: Reduces insertion depth for greater comfort.

Adaptive silicone ring: Conforms precisely to the user's ear canal shape, creating a consistent and secure seal

Benefits

Superior seal: Delivers better passive noise isolation and a more stable fit during extended use.

Sweat resistance: Prevents moisture buildup in the ear, which is essential for reliable performance in professional audio environments.

Overall, this technology ensures a more reliable, comfortable listening experience without compromising sound quality

The RCX Connector

Developed by FIR Audio with a mission to create the ultimate IEM connector.

The RCX in-ear monitor connector is a proprietary, durable connector developed by FiR Audio that improves upon standard connections like 0.78mm 2-pin and MMCX. It features a rigid coaxial design with a secure locking mechanism and a square profile that prevents swivel, enhancing durability and moisture protection, making it reliable for professional use.

Key features of the RCX connector

Security:
The coaxial design, combined with a locking mechanism, creates a very secure connection that prevents the cable from separating from the earpiece, which is especially useful for touring musicians.

Durability:
Designed to withstand 5,000+ connection cycles.

Moisture resistance:
The square profile of the connector acts as a barrier, helping to prevent sweat and moisture from getting into the socket, a common problem with other connector types.

Ease of use:
It is designed to be easily and securely connected and disconnected. Reliability: The RCX connector is proving itself to be a reliable and robust option for professional audio applications.

Tactile Bass

Bass that goes beyond simply being heard.

Utilizing the entire solid shell allows the bass to reverberate through, creating a textured and tactile feel to the low end.

Tactile bass in in-ear monitors is the ability to physically feel low-frequency sounds, not just hear them. Our drivers, intricately coupled with the IEM chassis, act as a secondary transducer for lower frequencies, delivering a deeper and richer bass that elevates your listening experience to new heights. Our proprietary Tactile Bass Technology takes it a step further by utilizing the entire solid shell, allowing the bass to reverberate through for a textured and tactile feel in the low end.

Audio Rif:
A Unique IEM Technology Revolution