Professional IEMs for Audiophiles, Musicians & Sound Engineers – Featuring Beryllium Dynamic Driver, 3D-Printed Metal Hybrid Shell, Silver-Plated Litz Cable
Elevate your listening and professional monitoring with Acoustune RS FIVE – the reference-grade in-ear monitors redefining analytical detail, wear comfort, and sound quality at its price point. Ideal for both studio monitoring and discerning music lovers, RS FIVE features custom-mold (CM) level comfort and a fatigue-free, balanced signature, making it an essential addition to every audiophile’s collection.
Main Features
Pioneering 3D-Printed & Metal Hybrid Body: The transparent shell is crafted with medical-grade 3D-printed resin for high durability and luxury, paired with stainless steel acoustic tube (titanium-like hardness) and a precision-machined aluminum faceplate for premium aesthetics and sound purity.
New Beryllium Dome MyrinxEL-B Dynamic Driver (9.2mm): Custom designed for ultra-wide dynamic range and studio-grade accuracy, inspired by Acoustune’s flagship technology, delivering rich lows, natural vocals, and sparkling treble with incredible realism.
Latest Silver-Plated Litz Cable (ARM021): Reinforced with Kevlar for ruggedness, finished with soft PU insulation for easy daily use, and anti-tangle twisted design for long-term reliability.
PentaconnEar Connector Standard: Special water-resistant, high-reliability design ensures undistorted connection, outstanding durability, and superior audio performance even during active use.
Signature Ergonomic Comfort: Compact, lightweight, and ergonomically shaped, RS FIVE offers CM-level custom earphone comfort for fatigue-free, all-day listening or studio sessions.
Breakthrough 3D-Printed + Metal Composite Design
RS FIVE’s medical-grade 3D-printed resin shell provides a unified, high-strength transparent body that surpasses traditional molding in fit and ruggedness. The stainless steel sound tube minimizes unwanted resonance for crystal-clear sound, while the aluminum alloy faceplate is hand-polished to a cohesive, high-lux finish.
Custom MyrinxEL-B Driver for Reference Monitoring
At the heart of RS FIVE lies the proprietary 9.2mm MyrinxEL-B beryllium dome driver—balancing powerful, extended bass, silky vocals, and refined treble. Directly inspired by Acoustune’s HS2000 flagship, this driver achieves industry-leading precision and detail, coupled with a vast dynamic range that reveals every nuance in both studio recordings and live music.
Professional Silver-Plated Litz Cable (ARM021) & Enhanced PentaconnEar Connector
Enjoy every detail with a four-core silver-plated Litz cable, Kevlar-enhanced for durability, and wrapped in flexible PU insulation. The advanced PentaconnEar connector resists water and sweat, minimizing drop-outs and ensuring many years of flawless audio.
Engineered for Studio, Stage & Everyday Listening
Whether you're a studio engineer, performing musician, or music enthusiast, RS FIVE’s natural, balanced sound signature and broad soundstage satisfy both professional and everyday listening demands. Its analytical accuracy and enjoyable tonality bring out the best in every genre.
Includes Premium AET Eartips for Fit & Acoustic Excellence
AET07 Silicone Tips: Superior reference fit and comfort, used as the Acoustune design standard.
AET02 Foam Tips: Outstanding seal and immersion, both tips maintaining pure, natural sound.
Modern, Premium Packaging
Comes with a compact faux-leather carrying case and—for the first time—an elegant aluminum outer package for a sophisticated, modern presentation.
Step up to studio-grade reference sound, luxurious comfort, and breakthrough design—perfect for audiophiles, musicians, and critical listeners. Make RS FIVE your daily companion for monitoring, music creation, and passionate enjoyment.
This product is 100% brand NEW and sealed with the original manufacturer's packaging. It comes with a full warranty provided by the authorized dealer and distributor. For return / refund policy, pls refer to return / refund page.
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MTMTaudio is a trusted audio products retailer based in Hong Kong, serving customers in over 220 countries around the world. We are committed to providing high-quality audio equipment and exceptional customer service.
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