Akoustyx R1 Series: The Ultimate Universal IEMs for Custom-Fit Performance

by Rocky Sharma

About our R1 Series

Looking for the perfect fit and reference-grade sound from your in-ear monitors? The Akoustyx R1 Series is engineered to deliver a custom IEM experience in a universal design, using patented Freebit® technology for unrivaled comfort and stability.

Rethinking the Universal IEM: Fit, Acoustics, & Innovation

At Akoustyx, we set out to answer a critical question: How can we bring the benefits of custom in-ear monitors (IEMs) to everyone, without the custom price tag? Our journey led us to Norway’s Freebit®—creators of the world-renowned ear-interface technology trusted by elite athletes. With their help, we designed the Akoustyx R1 Series universal IEMs for a secure, custom-like fit.

Traditional IEMs compromise between branding and functionality, placing the cable connector atop the IEM and the logo on the front. We took a different path: by moving the cable connector to the front (where the brand would usually go), we achieved an ergonomic anchor point that—combined with the Freebit® ear-interface—offers a stable, comfortable, and personalized fit for hours of fatigue-free listening.

The result? A universal IEM that fits nearly everyone as if it were custom-made, delivers up to 22dB of passive noise isolation, and maintains a studio reference tuning worthy of the world’s best ears.

Precision Acoustics, Studio Reference Sound

Every Akoustyx R1 Series IEM is tuned in our California and Nashville studios by industry professionals. Inside, you’ll find a proprietary Knowles® balanced armature driver—crafted for over 50 years to deliver transparent, natural audio with breathtaking detail.

Key acoustic features:

  • Balanced Armature Drivers by Knowles® for crisp, clear reference sound

  • Multi-braided monocrystalline oxygen-free copper cable (Kevlar-reinforced) to minimize noise and maximize audio purity

  • Lightweight polycarbonate housing for durability and all-day comfort

 

Customization & Comfort: Patented Freebit® Ear-Interface

A truly universal IEM needs to fit everyone’s ears. The R1’s patented Freebit® fitting kit (in 3 sizes) lets you customize your earphones for ultimate stability—whether you’re on stage, in the studio, or on the move. Combine your preferred Freebit® interface with our premium in-ear gels or Comply™ T-100 foam tips for a secure seal and up to 22dB noise attenuation.

Included in every box:

  • 3 sizes of Freebit® ear-interface

  • Non-allergic in-ear gels (S/M/L & 2-Flap)

  • Comply™ T-100 premium memory foam tips

  • Protective neoprene carry case

Built for Musicians, Audiophiles & Everyday Listeners

The R1 Series isn’t just about fit—it’s about flexibility:

  • Detachable MMCX connectors: Swap cables easily for pro gear or wireless adapters

  • Inline mic with 3-button remote: Full compatibility with iOS and Android for calls and media

  • Engineered, assembled, and tuned in the USA from U.S. and imported parts

Models & Acoustic Signatures

Model Acoustic Signature
R100 Studio Reference
R110 Studio Reference
R115 Stage Reference
R120 Reference Dual Cross

Whether you’re tracking in the studio, performing live, or just enjoying music at its purest, there’s an Akoustyx R1 Series IEM for you.

Why Choose Akoustyx R1 Series Universal IEMs?

  • Custom-fit comfort without the custom price

  • Studio-grade reference tuning for musicians & audiophiles

  • Secure, fatigue-free fit for every ear

  • Interchangeable cables and ear tips for maximum versatility

  • Designed, assembled & tuned in the USA

Experience the Akoustyx R1 Series today and discover how a universal IEM can fit—and sound—like a true custom.




R1 series available in the following configurations

R 100 






 R 110 



R 115



R 120

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