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High-performance 13mm earphone speaker driver with 32Ω impedance, 118dB sensitivity, PEEK+PU diaphragm, NdFeB magnet, and excellent reliability. Ideal for wired and wireless earphones requiring premium sound clarity and durability.
| Specification | Details |
|---|---|
| Model Number | RD1347-01 |
| Driver Size | Φ13mm |
| Impedance | 32Ω ±15% (1KHz, 1mW) |
| Sound Pressure Level (SPL) | 118 ±3dB (1KHz, 179mVrms with 711EAR) |
| Frequency Response | 50Hz – 8KHz |
| Resonance Frequency | 220Hz ±20% (Free Air) |
| Rated Power | 3mW |
| Maximum Power | 5mW (Short Term) |
| Total Harmonic Distortion (THD) | ≤3% (50Hz–8KHz at 1mW) |
| Rub & Buzz | No abnormal sound at 0.31V sweep (50–3KHz) |
| Polarity | “+” terminal marked with red dot; diaphragm moves forward on correct polarity |
| Net Weight | Approx. 0.76g |
| Operating Temperature | -10°C to +65°C |
| Storage Temperature | -10°C to +65°C (return to room temp before use) |
| Diaphragm Material | PEEK + PU Composite Diaphragm (0.3T) |
| Frame Material | SPCC (Cr3+ Color Zinc) |
| Magnet Type | NdFeB (Blue Zinc Cr3+) |
| Cover Material | SUS (Natural Color) |
| PCB Material | Fiber Board (Green Oil) |
| Gain Mesh | Polyester Mesh (White + Black Glue) |
| Insulation Impedance | > 1MΩ at 50V DC |
| Reliability Tests |
Load Test: 96 hours @ 0.31V white noise Humidity Test: 90–95% RH Drop Test: 1m, 6 cycles Temperature Cycle: 25°C → 65°C → -30°C (6 cycles) High Temp: +65°C ±3 for 48 hours Low Temp: -20°C ±3 for 48 hours Salt Spray: 24 hours @ 35°C Tensile Strength: 0.5kg for 5 seconds Vibration: 10–55Hz, ≥1.0mm, 2 hours each direction |
SpeakerDriver™
by Cockatwo Private Limited
CIN: U62013RJ2023PTC091507
Manufacturing Unit: Yongsheng Industrial Park 523510, Dongshan, Qishi, Dongguan, China