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High-performance 17×12mm earphone speaker driver featuring 16Ω impedance, 121dB SPL, PU+PEN diaphragm with titanium coating, NdFeB magnet, stable electroacoustic performance, and extensive reliability testing for premium audio products.
| Specification | Details |
|---|---|
| Dimensions | 17 × 12 mm |
| Net Weight | Approx. 1.4g |
| Impedance | 16Ω ±15% (1kHz, 1mW) |
| Sound Pressure Level | 121 ±2 dB (1kHz, 5mVrms, 711EAR) |
| Resonance Frequency | 240Hz ±20% (Free Air) |
| Frequency Response | 40Hz – 20kHz |
| Rated Power | 15mW |
| Maximum Power | 30mW |
| Insulation Resistance | >1MΩ at 50V DC |
| Rub & Buzz | 0.5V, 20Hz–1kHz Sweep – No abnormal sound |
| Polarity | “+” moves diaphragm forward |
| Reliability Tests | |
| Drop Test | 1.95m, 6 sides + 8 corners × 4 cycles |
| Tumbling Test | 400 cycles |
| High Temperature Storage | 85°C, 96 hrs |
| Low Temperature Storage | -40°C, 96 hrs |
| Temperature Shock | -40°C ↔ 85°C, 100 cycles |
| High Temp + High Humidity | 65°C, 95%RH, 120 hrs |
| Power-on High Humidity | 65°C, 95%RH, 120 hrs (pink noise) |
| Temperature Cycling with Load | -20°C ~ 65°C, 78 cycles |
| Salt Spray | 48 hrs – No rust |
| Xmax Test | 168 hrs, extreme amplitude |
| Odor Test | ≤16ppm VOC, subjective test ≤S2 |
| Material Composition | |
| Frame | PPA + SUS201 |
| U-Iron | SPCC |
| Washer | SPCC |
| Voice Coil | Copper |
| Diaphragm | PU + PEN Titanium-coated |
| Magnet | NdFeB |
| Mesh | Black adhesive + white mesh |
| Packaging | |
| Qty per Tray | 120 pcs |
| Trays per Carton | 80 trays |
| Total per Carton | 9600 pcs |
SpeakerDriver™
by Cockatwo Private Limited
CIN: U62013RJ2023PTC091507
Manufacturing Unit: Yongsheng Industrial Park 523510, Dongshan, Qishi, Dongguan, China