TRUTHEAR x Crinacle Zero:BLUE2 Dual Dynamic Drivers in-Ear Headphone with Detachable Cable (3.5mm)

- ZERO:BLUE2 features a dual-cavity internal magnetic circuit dynamic drivers design, incorporating a 10mm solid silica gel suspension composite liquid crystal dome with an N52 magnet and a 7.8mm upgraded polyurethane suspension liquid crystal dome with an N55 magnet. - Utilizing a DLP-3D printing process for the cavity and a silicone capping technique, these methods are typically reserved for high-end multi-driver products and custom earphones. ZERO:BLUE2 is equipped with a newly designed copper silver-plated coaxial cable. - Upgraded Configuration Enhanced Efficiency： Like its predecessors in the ZERO series, the ZERO:BLUE2 features dual dynamic drivers. However, the structure of the 7.8mm dynamic driver has been modified, focusing on mid and high frequencies. This driver utilizes a mature internal magnetic circuit structure, incorporating flexible polyurethane material for suspension and an LCP (liquid crystal polymer) dome diaphragm. Despite these similarities, the internal design is quite different from earlier models. - Further Upgraded Stock Cable Mic Cable [Optional]： The ZERO:BLUE2 incorporates a 0.78mm 2-pin design and comes with an upgraded two-strand 294-core high-quality copper and silver-plated coaxial cable. The number of internal wires has been increased further, enhancing sound performance and providing a tangle-free experience. - Moreover, it offers a microphone option that includes not only the two-strand high-quality copper and silver-plated coaxial cable with a 3.5mm single-ended 0.78mm 2-pin connection, but also features an oxygen-free copper mic cable of exceptional quality (same as the mic cable used in the GATE). This makes the ZERO:BLUE2 not just an excellent companion for music and monitoring, but also a reliable assistant for calls and gaming.

Product description

TRUTHEAR x Crinacle Zero:Blue 2

Upgraded Configuration, Enhanced Efficiency

Exellent Objective Measurements

Optimized DLP 3D Printing Materials

Further Upgraded Stock Cable, Mic Cable [Optional]

Product Information

Dual Dynamic Drivers IEMs with Detachable Cable

ZERO:BLUE2 features a dual-cavity internal magnetic circuit dynamicdrivers design, incorporating a 10mm solid silica gel suspensioncomposite liquid crystal dome with an N52 magnet and a 7.8mmupgraded polyurethane suspension liquid crystal dome with an N55magnet.

Utilizing a DLP-3D printing process for the cavity and a siliconecapping technique, these methods are typically reserved for high-endmulti-driver products and custom earphones. ZERO:BLUE2 isequipped with a newly designed copper silver-plated coaxial cable.

Like its predecessors in the ZERO series, the ZERO:BLUE2 featuresdual dynamic drivers. The structure of the 7.8mm dynamicdriver has been modified, focusing on mid and high frequencies. Thisdriver utilizes a mature internal magnetic circuit structure, incorporating flexible polyurethane material for suspension and an LCP (liquid crystal polymer) dome diaphragm. Despite these similarities, the internal design is quite different from earlier models.

We increaed the diameter of the magnet for the 7.8mm driver by about 25%, expanded the dome area by about 50% and improved the high-frequency conductive structure. Although these changes make the production and processing of this dynamic drivermore challenging, they enhance conversion efficiency and improve sensitivity in the upper high frequencies and this only meets our R&D needs but also results in objectively superior measurements, yielding a smooth, transparent high-frequency response with enhanced extension and excellent resolution.

Furthermore, the 10mm dynamic driver, which handles the bass frequencies, has also received an upgrade. The newly adjusted solid silicone suspension aligns with the liquid crystal dome diaphragm and features an ultra-thin wire diameter voice coil, creating a brand-new bass tuning system. This system employs a low-distortion frequency crossover design similar to that of the ZERO:RED, resulting insignificantly improved objective measurements, such as lower nonlinear distortion compared to the original ZERO. As a result, users can expect deeper and punchier bass performance.

We have redesigned the cavity structure and low-distortion frequency crossover circuit based on valuable experience and user feedback from previous models featuring double dynamic drivers. This redesign aims to enhance the dynamic drivers' conversion efficiency while allowing each speaker to fulfill its respective role. As a result, we have significantly improved sensitivity. The filtered nozzle, accurately printed by HeyGears using high-precision 3D-DLP technology, works in conjunction with a mixed multiple frequency crossover, bringing the objective measurements of the ZERO:BLUE2 closer to the intended design goals.

Linear distortion: The frequency response curve targeted by ZERO:BLUE2 is designed to align more closely with public preference characteristics. We have optimized the low bassresponse (below 50Hz) through various means, ensuring a smoother transition in the mid frequency. The high frequency are closely matched to the amplitude response characteristics of HRTF, maintaining high sensitivity above 10000Hz.

ZERO:BLUE2 features highly consistent full-band phase characteristics, effectively eliminating the unnatural listening experience often caused by phase distortion.

Non-linear distortion: ZERO:BLUE2 not only meets our anticipated R&D objectives but also outperforms RED in certain frequency ranges regarding non-linear distortion. lt delivers a clean backgroundand effectively restores details, allowing for accurate reproduction ofmusical timbre.

The shell of the ZERO:BLUE2 continues to benefit from high-quality 3D-DLP services provided by the reliable brand, HeyGears. The newmodel inherits the design of the original ZERO but features aredesigned faceplate, offering users a fresh visual experience.Thanks to the optimized DLP 3D-printed resin material, we have managed to reduce the local material thickness within the cavity while maintaining impressive structural durability. Additionally, we have optimized the nozzle size and adjusted the support angles, improving the overall comfort of the ZERO:BLUE2. This results in a lightweight and skin-friendly cavity that makes it more suitable forlong-term wear.

The ZERO:BLUE2 incorporates a 0.78mm 2-pin design and comes with an upgraded two-strand 294-core high-quality copper and silver-plated coaxial cable. The number of internal wires has been increased further, enhancing sound performance and providing atangle-free experience.

Moreover, it offers a microphone option that includes not only the two-strand high-quality copper and silver-plated coaxial cable with a 3.5mm single-ended 0.78mm 2-pin connection, but also features an oxygen-free copper mic cable of exceptional quality (same as the miccable used in the GATE). This makes the ZERO:BLUE2 not just anexcellent companion for music and monitoring, but also a reliable assistant for calls and gaming.

Driver:10mm+7.8mm Dynamic Drivers Diaphragm: Silicone Suspension LCP Liquid Crystal + Polyurethane Suspension LCP Lquid Crystal Composite Diaphragm Impedance: 5.8Ω±15% @1kHz Sensitivity: 119.5dB/Vrms @1kHz THD: THD<0.3% @1kHz @94dB Frequency Response Range: 9-41kHz (IEC61094, Free Field) Effective Frequency Response Range: 20-20kHz (IEC60318-4, -3dB)