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The RD4005-16W110 is a 40mm dynamic speaker driver unit featuring a high-sensitivity silk diaphragm and 32Ω impedance, designed for HiFi headphone applications. With a powerful neodymium magnet and precise acoustic performance, it delivers clear, low-distortion sound ideal for premium audio devices.
| Specification | Details |
|---|---|
| Model | RD4005-16W110 |
| Driver Size | 40mm |
| Impedance | 32Ω ±15% (at 1kHz, 1mW input) |
| Sound Pressure Level (SPL) | 116 ±3dB (at 1kHz, 179mVrms, 318EAR) |
| Resonant Frequency | 130 ±20% Hz (Free Air) |
| Frequency Response | See Figure 4 (50Hz – 8kHz) |
| Rated Power | 10mW |
| Max Power | 30mW (Short-term) |
| Distortion (THD) | ≤3% (80Hz–8kHz at 1mW, 318EAR) |
| Diaphragm Material | Silk |
| Voice Coil | Copper Wire |
| Magnet Type | NdFeB (Neodymium) |
| Frame Material | ABS (Black) |
| Net Weight | Approx. 12.2g |
| Operating Temp. Range | -20°C to +65°C |
| Storage Temp. Range | -20°C to +65°C |
| Rub and Buzz | None (50Hz–3kHz, 0.56Vrms) |
| Insulation Resistance | >1MΩ (at 50V DC) |
| Polarity | “+” moves diaphragm forward |
| Package Quantity | 2000 pcs/carton (200 pcs/tray × 10 trays) |
SpeakerDriver™
by Cockatwo Private Limited
CIN: U62013RJ2023PTC091507
Manufacturing Unit: Yongsheng Industrial Park 523510, Dongshan, Qishi, Dongguan, China