RD3501-05 | 35mm Dynamic Speaker Driver | 20Ω | 20mW | PU + Wool Paper Composite Diaphragm
The RD3501-05 is a 35mm, 20Ω dynamic speaker driver with 117dB SPL, low distortion, and robust reliability—ideal for high-performance earphones.
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- Designed By: SpeakerDriver
- Product ID: RD3501-05
Technical
Specifications
| Specification | Details |
|---|---|
| Model | RD3501-05 |
| Driver Diameter | 35mm |
| Impedance | 20Ω ±15% @ 1kHz, 1mW input |
| Rated Power | 20mW |
| Maximum Power | 30mW (short term) |
| Sound Pressure Level (SPL) | 117 ±3dB @ 1kHz, 126mVrms |
| Resonance Frequency | 130Hz ±20% (Free Air) |
| Total Harmonic Distortion (THD) | ≤3.0% (50Hz–8kHz @ 1mW) |
| Insulation Impedance | >1MΩ @ 50V DC |
| Operating Temperature Range | -20°C to +65°C |
| Storage Temperature Range | -20°C to +65°C |
| Diaphragm Material | PU + Wool Paper Composite + Copper Ring |
| Magnet Type | NdFeB (Neodymium) |
| Frame Material | ABS (Black) |
| Voice Coil | Copper + Tube |
| Net Weight | Approx. 12.36g |
| Polarity | DC "+" input causes membrane to move forward |
| Packaging | 200 pcs/tray, 10 trays/carton, 2000 pcs/carton |