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The RD0621-01 is a high-performance 6mm dynamic speaker driver featuring a PEEK+PU composite diaphragm, 16Ω impedance, and 103dB sensitivity. Engineered for HiFi earphones and IEMs, it delivers clear, powerful audio with excellent reliability across wide temperature and humidity ranges. Ideal for OEMs seeking premium sound in compact designs.
| Specification | Details |
|---|---|
| Speaker | 1*6mm Dynamic Driver Unit |
| Impedance | 16Ω ±15% (at 1kHz, 1mW) |
| Sensitivity (SPL) | 103 ±2.5 dB (at 1kHz, 126mVrms) |
| Frequency Response | Referenced in Figure 4 (126mVrms, with 711EAR) |
| Resonance Frequency | 900Hz ±20% (Free Air) |
| Rated / Max Power | 3mW / 5mW |
| Insulation Resistance | >1 MΩ (at 50V DC) |
| Polarity | Membrane moves forward when DC "+" to "+" and "-" to "-" |
| Operating Temp | -20°C to +65°C |
| Storage Temp | -20°C to +65°C |
| Net Weight | Approx. 0.57g |
| Package | 100 pcs/tray, 20 trays/carton (2000 pcs/carton) |
SpeakerDriver™
by Cockatwo Private Limited
CIN: U62013RJ2023PTC091507
Manufacturing Unit: Yongsheng Industrial Park 523510, Dongshan, Qishi, Dongguan, China