Introducing our latest product, the 50mm Dynamic Unit - a pinnacle of excellence in sound quality and craftsmanship. We have spared no expense in sourcing and utilizing the finest materials available, ensuring unparalleled audio performance.

The support structure of the unit is meticulously crafted from imported aluminum alloy, employing state-of-the-art CNC machine engraving techniques, followed by meticulous polishing and buffing processes. To further enhance its durability and aesthetic appeal, the unit undergoes sandblasting after undergoing three rounds of oxidation.

The heart of the unit lies in its magnet, measuring an impressive 19.5mm x 2mm. This magnet is meticulously engineered using high-performance aluminum iron shed permanent magnet technology, guaranteeing precise and accurate sound reproduction.

The diaphragm of our 50mm Dynamic Unit is a testament to our commitment to exceptional audio fidelity. It is constructed using a specially compounded material, carefully selected for its ability to faithfully reproduce a wide range of frequencies with exceptional clarity and detail.

To complement the advanced design and materials, we have incorporated a voice coil utilizing 20 core imported black wire. This choice ensures optimal conductivity and responsiveness, allowing the unit to faithfully translate audio signals into breathtaking sound.

While the 50mm Dynamic Unit can be enjoyed with a variety of devices, we particularly recommend its use with desktop audio setups. Its exceptional performance truly shines when paired with high-quality desktop amplifiers and audio sources, providing an immersive audio experience that will captivate even the most discerning listeners.

In summary, our latest 50mm Dynamic Unit represents the culmination of our dedication to superior sound reproduction. With its exceptional build quality, meticulously selected materials, and optimized design, it is a testament to our commitment to delivering the finest audio solutions for professionals and audiophiles alike.

Key Features:

20mm Big Voice Coil: The ELF900S boasts a sizable 20mm voice coil, ensuring precise and accurate sound reproduction across the entire frequency range.

Dual 19.5mm Magnets: Two high-performance 19.5mm magnets are incorporated, providing the necessary magnetic force for exceptional driver performance.

Berrylium Dome Diaphragm: The diaphragm of the ELF900S is constructed using a premium Berrylium material. This specialized dome diaphragm enables precise sound reproduction, delivering incredible detail and clarity.

Aluminum Alloy Frame: The ELF900S features a robust aluminum alloy frame, ensuring durability while minimizing resonance and distortion.

Every ELF900S driver is carefully handmade by our skilled engineers at ELFINEAR. This meticulous craftsmanship guarantees the highest level of quality and performance in every unit.

To ensure perfect matching and optimal performance, each pair of ELF900S drivers undergoes a rigorous curving and pairing process before shipping. This meticulous step ensures that both units exhibit identical characteristics, providing a consistent and immersive listening experience.

Due to the exceptional nature of the ELF900S, we have limited the maximum order quantity to two pairs per week. This measure is in place to maintain our commitment to quality and to ensure that each unit receives the attention and care it deserves.

Technical Specifications:

Model: ELF900S

Type: Dynamic

Use: HiFi

Construction: Coaxial Composite

Magnetic Circuit Form: Internal Magnetic Formula

Frequency Response: Full Range (20Hz-2000kHz)

Rated Power: 0.2W

Rated Resistance: 900 ohms

Directivity: The marked color point indicates the positive pole of the driver unit

Sensitivity: 109dB/W

Signal-to-Noise Ratio (SNR): 96dB

Distortion: 1 TMD% (Total Harmonic Distortion)

In summary, the ELF900S represents the pinnacle of headphone driver technology. With its carefully selected components, expert craftsmanship, and impeccable performance, these drivers are designed to provide an unparalleled audio experience for discerning audiophiles and professionals.