RD3002-03 | 30mm 32Ω Speaker Driver Unit
A 30mm round dynamic speaker driver featuring 32Ω impedance, high SPL, stable acoustic output, and strong durability—ideal for headphones and audio devices.
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A 30mm round dynamic speaker driver featuring 32Ω impedance, high SPL, stable acoustic output, and strong durability—ideal for headphones and audio devices.
| Specification | Details |
|---|---|
| Model | RD3002-03 |
| Commodity | 30mm 32Ω Speaker Unit |
| Net Weight | Approx. 6.1g |
| Dimensions | As per Figure 1 |
| Operating Temperature | -20°C to +65°C |
| Storage Temperature | -20°C to +65°C (return to room temp before use) |
| Impedance | 32Ω ±15% @ 1kHz, 1mW |
| Sound Pressure Level (SPL) | 121.5 ±3 dB @ 1kHz, 179mVrms (with 711EAR) |
| Resonance Frequency | 120Hz ±20% (Free Air) |
| Frequency Response | As per Figure 4 |
| Rated Power | 10mW |
| Max Power | 20mW (Short Term) |
| Insulation Impedance | > 1 MΩ @ 50V DC |
| Rub & Buzz | No audible noise (50Hz–3kHz, input 0.56Vrms) |
| Total Harmonic Distortion (THD) | ≤3% @ 1mW, 80Hz–8kHz (711EAR) |
| Polarity | “+” input causes diaphragm to move forward |
| Reliability – Load Test | 0.56V white noise, 96 hours, room temp |
| Reliability – Humidity Test | 40°C ±3, 90–95% RH, 48 hours (2h recovery) |
| Drop Test | 1m height, 6 cycles |
| Temperature Cycle | 25°C → 65°C → 25°C → -30°C → 25°C (6 cycles) |
| High Temp Test | +65°C ±3 for 48 hours |
| Low Temp Test | -20°C ±3 for 48 hours |
| Salt Spray Test | As per standard test conditions |
| Tensile Strength | 0.5kg, 5 seconds |
| Vibration Test | 10–55Hz, ≥3.5mm amplitude, 2 hours per direction |
| Materials |
Frame: ABS Diaphragm: PU + LCP + Copper ring Yoke: SPCC (Zinc-plated) Plate: SPCC (Zinc-plated) Voice Coil: CCAW Magnet: NdFeB (Blue zinc) Tuning Paper: White PCB: Fiberboard (Green oil) |
| Packaging |
200 pcs per tray 10 trays per carton Total: 2000 pcs/carton |
SpeakerDriver™
by Cockatwo Private Limited
CIN: U62013RJ2023PTC091507
Manufacturing Unit: Yongsheng Industrial Park 523510, Dongshan, Qishi, Dongguan, China