RD1121-01 | 11mm Dynamic Earphone Speaker Driver | 32Ω | 113.5dB High Sensitivity Unit
RD1121-01 is a compact 11mm, 32Ω earphone driver unit delivering high sensitivity and clear sound, designed for durable performance in various conditions.
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- Designed By: SpeakerDriver
- Product ID: RD1121-01
Technical
Specifications
| Specification | Details |
|---|---|
| Model | RD1121-01 |
| Driver Size | Φ11.0 mm |
| Rated Power | 10 mW (0.56V) |
| Maximum Power | 25 mW (0.89V) |
| Impedance | 32 Ω ±15% (at 1kHz) |
| Sensitivity (SPL) | 113.5 ±1.5 dB (1kHz, 179mVrms) |
| Frequency Response | 20 Hz – 10 kHz |
| Resonance Frequency (FO) | 220 Hz ±20% (Free Air) |
| Distortion (THD) | ≤ 2% (20 Hz – 10 kHz at 1mW) |
| Polarity | Positive voltage moves diaphragm forward |
| Operating Temperature | -20°C to 60°C |
| Storage Temperature | -25°C to 60°C |
| Weight | Approx. 0.63g |
| Materials | PU+PMI diaphragm, NdFeB magnet, SPCC frame |
| Compliance | RoHS / REACH Compliant |
| Packaging | 120 pcs/tray, 9600 pcs/carton |