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High-clarity 11.8mm earphone speaker driver featuring 16Ω impedance, 20mW max power, and a PU + LCP composite diaphragm. Engineered for wired and wireless earphones requiring balanced sound, stable performance, strong durability, and low distortion.
| Specification | Details |
|---|---|
| Model | RD1245-01 |
| Driver Size | 11.8mm |
| Impedance | 16Ω ±15% @ 1kHz, 1mW |
| Rated Power | 15mW (0.40V) |
| Maximum Power | 20mW (0.56V) |
| Sensitivity (SPL) | 123 ±2dB @ 1kHz (126mVrms) with 711EAR |
| Resonance Frequency (F0) | 250Hz ±20% (Free Air) |
| THD | ≤2% @ 1mW (50Hz–8kHz) |
| Frequency Response | As per Fig.4 (126mVrms, 711EAR) |
| Diaphragm Material | PU + LCP Composite |
| Voice Coil | Copper |
| Magnet | NdFeB |
| Net Weight | 0.92g |
| Operating Temperature | -20°C to +65°C |
| Storage Temperature | -20°C to +65°C |
| Insulation Resistance | ≥1MΩ @ 50V DC |
| Reliability Tests |
Load test: 96 hrs Humidity: 40°C, 90–95% RH, 48 hrs Drop test: 1m, 6 cycles Temperature cycle: -30°C → +65°C (6 cycles) Salt spray: 24 hrs Vibration: 10–55Hz, ≥3.5mm amplitude |
| Packaging | 100 pcs/tray, 20 trays/carton (2000 pcs) |
SpeakerDriver™
by Cockatwo Private Limited
CIN: U62013RJ2023PTC091507
Manufacturing Unit: Yongsheng Industrial Park 523510, Dongshan, Qishi, Dongguan, China