ELFINEAR CeramicSilk 50mm Hi-Fi Headphone Driver | Silk Diaphragm + Ceramic Blue Dome | CCA Voice Coil | 32/300 Ohm | 121.51dB Sensitivity DIY Replacement Speaker

 
- 50mm Hybrid Diaphragm Design: Silk diaphragm for deep punchy bass, ceramic blue dome for crystal-clear mid-highs—tuned for balanced full-range audio.
- High-Performance CCA Voice Coil: Copper Clad Aluminum voice coil ensures superior conductivity and signal integrity for accurate sound reproduction.
- Powerful Magnetic Configuration: 17mm×2.5mm magnet delivers strong magnetic induction, enhancing bass control and dynamic performance.
- Two Impedance Options: 32 Ohm (easy to drive with portable devices) / 300 Ohm (audiophile-grade detailed sound) to match your setup.
- Lab-Tested Acoustic Excellence: 1KHz sensitivity of 121.51dB and 31.9Ω impedance (PASS grade) guarantee consistent, high-fidelity performance.
 
3.Product Description
 
Product Overview
 
Crafted exclusively for discerning audiophiles, the CeramicSilk 50mm stands as the pinnacle of headphone driver technology. Building on premium acoustic engineering, this 50mm driver combines a silk diaphragm and ceramic blue dome with a high-performance CCA voice coil—delivering studio-grade sound that outperforms standard units in its class. Every unit undergoes factory testing (frequency response, impedance, sensitivity) and only ships with a PASS grade, ensuring unrivaled consistency.
 
Core Acoustic Advantages (From Frequency Response Curve)
 
1. Smooth & Powerful Bass (20Hz–1kHz)
The flat, stable low-frequency curve eliminates muddy bass and drop-offs. The silk diaphragm paired with a 17mm×2.5mm magnet produces deep, well-controlled bass with impressive punch—ideal for electronic, rock, and hip-hop genres.
2. Clear Mid-High Detail (1kHz–8kHz)
A gentle peak in the mid-high range elevates vocal clarity and instrument separation. The ceramic blue dome enhances treble extension, making vocals sound natural and subtle details (like guitar harmonics or cymbal crashes) vividly present.
3. Natural Fatigue-Free Treble (8kHz–20kHz)
Gradual treble roll-off avoids harshness, ensuring a comfortable listening experience even during long sessions. This tuned treble response is perfect for classical music and vocal-centric tracks.
4. High Sensitivity & Efficiency
With a tested 121.51dB sensitivity at 1KHz and 31.9Ω impedance (matching the rated 32Ω), the driver is highly efficient—easily driven by phones, MP3 players, or portable amps without distortion.
 
Premium Build Quality
 
- Diaphragm: Composite silk (bass) + ceramic blue dome (mid-highs) for balanced acoustics.
- Voice Coil: Copper Clad Aluminum (CCA) for excellent conductivity and durability.
- Magnet: 17mm (diameter) × 2.5mm (height) high-performance magnet for strong magnetic force.
- Quality Control: 1:1 factory testing for frequency response, impedance, and sensitivity—only PASS-grade units are dispatched.
 
4. Specification Table
 
Specification Detail 
Model Name CeramicSilk 50mm 
Driver Size 50mm 
Diaphragm Material Silk + Ceramic Blue Dome 
Voice Coil Material Copper Clad Aluminum (CCA) 
Magnet Size 17mm (D) × 2.5mm (H) 
Impedance Options 32 Ohm / 300 Ohm 
1KHz Sensitivity 121.51dB (tested) 
1KHz Impedance 31.9Ω (tested, matches 32Ω rating) 
Polarity Positive (+) 
Frequency Response 20Hz–20kHz (tuned for balanced audio) 
Application DIY Headphone Upgrade/Replacement 
 
5. Note to Buyers
 
1. Impedance Selection: Choose 32 Ohm for portable device compatibility, 300 Ohm for high-end amplifiers and audiophile setups.
2. Installation: This is a raw driver unit; soldering is required for installation (professional installation recommended for optimal performance).
3. Quality Guarantee: All units are factory-tested with a PASS grade—we stand behind the acoustic performance of every CeramicSilk 50mm driver.