Introducing COZOY's D2: A Dual Dynamic Driver Excellence

The Launch of COZOY D2 Earphones

On August 28, 2026, COZOY, an innovative audio brand born in Hong Kong, will unveil its latest product: the D2 earphones. Known for its unwavering commitment to sound quality, COZOY has built a strong foundation in the audio industry, gaining high user ratings. The company's recent acquisition by Ouyue Audio Technology in 2025 has injected new energy into its development, leading to advancements in complex structural components through rapid prototyping with 3D printing technology. This allows for customizable production and improved product precision, stability, and safety through the integration of medical-grade resins.

COZOY: A Brief Overview

Founded by experienced staff in the audio industry, COZOY focuses on delivering high-quality products with advanced engineering and design. They have continuously worked on the development of audio products, aiming for excellence in engineering and Hi-Fi sound using the latest technologies.

D2: A Dual Dynamic Driver Design

The D2 earphones are equipped with two distinct dynamic drivers — a 10mm and a 6mm driver, allowing for a dual dynamic driver configuration. The 10mm driver, featuring dual magnetic circuits and a graphene composite diaphragm, is responsible for tuning the full frequency range. It produces clear sound quality, vivid soundstage positioning, delicate vocal expressions, and smooth high frequencies. In contrast, the 6mm dynamic driver, utilizing a beryllium diaphragm, focuses on the low-frequency range, delivering tight, punchy, and powerful bass.

Impeccable Tuning

Designed to maintain a superb overall balance while focusing on low frequencies, the D2 embodies a deep, powerful bass with an emphasis on attack, coupled with a clear and thick middleground that highlights vocal presence without overshadowing it. The high frequencies are crafted not to be overly bright, making the listening experience agreeable for all users. It provides excellent drive capability, making it compatible with most smartphones and especially well-suited for energetic music genres like EDM, Pop, and Rock. Not only is the D2 perfect for music, but it's also designed to excel in gaming sound localization, enhancing experiences with precise detection of sound effects such as gunfire or footsteps, ensuring an immersive gaming environment.

Design Inspired by Marble

The faceplate of the D2 is made from PVC, while the housing incorporates medical-grade resin. The design draws inspiration from marble, a material that in Eastern culture symbolizes Yin and Yang as well as Daoism, and represents eternity and uniqueness in Western traditions. The 3D printing technology developed in-house also optimizes the ergonomic shape of the housing, ensuring a comfortable fit for all users while maximizing acoustic performance, allowing for an uninterrupted auditory experience anytime, anywhere.

Premium Cable Included

The D2 comes with a high-grade silver-plated single crystal copper (OCC) cable, handcrafted by artisans. It features interchangeable 3.5mm and 4.4mm plugs, catering to a wide range of user preferences and ensuring compatibility with various devices.

Product Specifications

- Driver: φ10mm + φ6mm Dual Magnetic Circuit, Dual Cavity, Dual Dynamic Drivers
- Frequency Response: 20-20,000Hz
- Impedance: 20Ω
- Sensitivity: 102dB
- Housing Material: Medical-grade resin
- Cable: Silver-plated single crystal copper (OCC)
- Cable Length: Approximately 1.2m
- Plug: 3.5/4.4mm
- Contents: D2 earphones ×1, OCC cable ×1, ear tips (S×1, M×1, L×1) with two types for each size, and a low-rebound urethane foam ear tip (M×1).