World‘s 1st 12mm 91% Pure Magnesium™ Diaphragm HiFi Earphone
- Jun 4, 2025
- 3 min read
MK12 replaces pricey Hi-End headphones&IEMs—10Hz–45kHz|9 Tuning Types|Lower Impedance 32Ω|Higher Sensitivity 111dB|Higher Dynamic 118dB
For audiophiles, music lovers, and anyone seeking an unparalleled portable listening experience, Hidizs is once again pushing the boundaries of in-ear monitor (IEM) technology with their latest Kickstarter project: the Hidizs MK12. Billed as featuring the "World's 1st 12mm Large 9.1 Magnesium™ Diaphragm," these earphones promise a revolutionary sound signature, combining groundbreaking material science with meticulous acoustic engineering.
Project Overview
Name and Creator: MK12: World's 1st 12mm Large 9.1 Magnesium™ Diaphragm Earphones by Hidizs
What It Is: A high-fidelity in-ear monitor (IEM) that features a large 12mm dynamic driver with a cutting-edge 9.1 Magnesium™ alloy diaphragm. Designed for exceptional sound quality, comfort, and durability, the MK12 aims to deliver a rich, detailed, and immersive listening experience across all genres, showcasing innovative material science for superior audio performance.
Key Features
World's First 12mm Large 9.1 Magnesium™ Diaphragm: This is the core innovation of the Hidizs MK12. The substantial 12mm dynamic driver utilizes a diaphragm crafted from a specially developed 9.1 Magnesium™ alloy. Magnesium is renowned for its high stiffness-to-weight ratio, excellent internal damping, and rapid sound propagation speed. This allows the diaphragm to move with extreme precision and agility, resulting in incredibly clear, detailed, and dynamic sound reproduction with minimal distortion.
High-Resolution Audio Performance: Thanks to the advanced diaphragm material and generous driver size, the MK12 is engineered to deliver a wide frequency response and high resolution across the entire audio spectrum. Listeners can expect deep, impactful bass, natural and articulate mid-range, and clear, sparkling treble, providing an immersive and detailed listening experience that reveals nuances in their music.
Ergonomic Design for Comfort: The shells of the MK12 earphones are ergonomically sculpted based on extensive ear canal data. This thoughtful design ensures a comfortable and secure fit for a wide range of ear shapes, allowing for prolonged listening sessions without discomfort. The lightweight nature, partly attributed to the magnesium diaphragm, further enhances wearing comfort.
High-Purity OFC Cable: The earphones come equipped with a high-quality, detachable Oxygen-Free Copper (OFC) cable (typically with a 2-pin 0.78mm connector or MMCX). This choice of cable material minimizes signal loss and enhances audio fidelity, contributing to the overall pristine sound. The detachable design also offers the flexibility for future cable upgrades or replacements.
Balanced & Engaging Sound Signature: The combination of the unique diaphragm material and meticulous acoustic tuning aims for a balanced yet engaging sound profile. This means:
Powerful & Textured Bass: Deep, well-defined, and impactful low frequencies.
Natural Mids: Clear, articulate, and lifelike reproduction of vocals and instruments.
Extended & Refined Treble: Crisp, airy, and detailed high frequencies that avoid harshness, contributing to an expansive soundstage.
Durable Build Quality: Constructed with precision-machined components, the MK12 earphones are built to withstand the rigors of daily use, offering both robustness and a premium feel that belies their size.
Versatile Compatibility: With a standard 3.5mm termination on the stock cable, the Hidizs MK12 is broadly compatible with a wide array of audio devices, including smartphones, Digital Audio Players (DAPs), laptops, and desktop amplifiers.
Rewards
Hidizs MK12 Unit: One set of Hidizs MK12 earphones starts at $129
Hidizs MK12 Unit rewards vary by package. Please refer to the rewards section for further information.
The Idea
Concept: To push the boundaries of portable audio by pioneering the use of advanced 9.1 Magnesium™ diaphragm technology in a dynamic driver IEM, offering an incredibly detailed, dynamic, and immersive sound experience that sets a new benchmark for its class in terms of material innovation and acoustic performance.
Inspiration: Hidizs, a brand committed to high-fidelity audio, continuously seeks to overcome the limitations of conventional driver materials to achieve breakthroughs in sound reproduction. With the MK12, they aimed to create an IEM that not only utilizes cutting-edge material science but also delivers a truly captivating and accurate sound profile in a comfortable and durable package. The MK12 is a testament to their dedication to innovation in audio engineering, seeking to provide audiophiles with an accessible yet high-performing earphone that allows listeners to rediscover their favorite music with newfound clarity and emotional depth.
