Introducing the Aurora B4: The Pinnacle of Hi-Fi Dynamic Drivers

(Evolution of Aurora B3: Where Beryllium Meets Limitless Playability)

A New Era of Sound:

Building upon the legendary foundation of our Aurora B3, the all-new Aurora B4 represents a monumental leap forward. While the "B" has always stood for Beryllium, the B4 introduces a revolutionary Coaxial Composite Architecture. We didn't just upgrade; we redefined the standard by integrating a LCP Diaphragm with a Beryllium Dome, dual magnets, and a precision-engineered metal chassis.

🔥 Core Upgrades: What's New in the Aurora B4?

Revolutionary Coaxial Design: Unlike the B3 (Single Magnet), the B4 features a Dual Magnet Structure for vastly improved magnetic flux and control.

Material Fusion: A hybrid of LCP (Liquid Crystal Polymer) Diaphragm + Beryllium Dome delivers ultra-fast transient response and exceptional detail retrieval.

Industrial-Grade Build: The support structure is crafted from high-grade imported aluminum alloy with CNC engraving and triple oxidation/sandblasting, minimizing resonance and maximizing durability.

Massive Voice Coil: Equipped with a 20mm imported black wire voice coil for optimal conductivity and thermal stability.

🎵 Enhanced Playability & Customization

We believe great sound should be customizable. That's why the Aurora B4 comes with a Complete Tuning Kit:

Included: Y2 to Y5 C-Type Tuning Paper and Y2-Y5 Central Hole Tuning Paper.

Ready to Use: All tuning papers come with double-sided adhesive, allowing you to easily swap them out to fine-tune your sound signature to your exact preference.

Result: Strengthened performance meets endless fun, allowing you to explore different sonic characters effortlessly.

📊 Authentic Performance Data

(Real measurement curves, no smoothing or fakery)

To demonstrate our confidence, here is the actual test data for the 900Ω version using the CRY6151 Acoustic Tester:

1KHz Sensitivity: 114.39 dB (re 20μPa) —— Exceptionally sensitive for a high-impedance driver.

1KHz Impedance: 1015.3 Ω —— Peak impedance precisely tuned.

Polarity: Positive (+)

Frequency Response: As shown in the real-time graph, expect a smooth, extended response with excellent control in the critical mids and highs.

📋 Technical Specifications: The Ultimate Configurations

The Aurora B4 is designed for the most demanding audiophiles. We offer multiple impedance versions to match any amplifier or headphone design:

FeatureSpecificationModelAurora B4 (Evolution of Aurora B3)TypeDynamic Driver (Coaxial Composite)DiaphragmLCP + Beryllium DomeMagnetDual Magnet (19.5mm x 2mm)Voice Coil20mm Imported Black WireFrameCNC Aluminum Alloy (Sandblasted & Oxidized)Frequency ResponseFull Range (20Hz - 20kHz) [Note: Corrected from 2000kHz]Impedance Options32Ω / 64Ω / 300Ω / 500Ω / 700Ω / 900Ω (Ultra-top-tier configurations)Sensitivity~114 dB (1KHz, ref. 900Ω model)Rated Power0.2W (Recommended)PolarityRed Dot / Marked Color Point = Positive (+)

🛠️ Why Choose Aurora B4?

True Hi-Fi Grade: The combination of LCP and Beryllium offers a level of detail and speed previously reserved for electrostatic or planar designs.

Handcrafted Excellence: Each unit is meticulously assembled and tested by our skilled engineers.

Strict Pairing Process: Every pair undergoes a rigorous Curving & Pairing Process to ensure left and right drivers match perfectly for a seamless stereo image.

Limited Craftsmanship: Due to the complexity of the dual-magnet coaxial design, we strictly limit production to ensure every unit meets our "Pinnacle of Excellence" standard.

Specifications Note: Different impedance versions (32Ω/64Ω vs 300Ω+) may have slight variations in sensitivity and electrical parameters, but all share the same physical structure and acoustic character. Please select the impedance that best suits your amplifier or headphone build.