RD1032-03(NC) 10mm HiFi Earphone Speaker Driver Unit | 32Ω, 118.7dB SPL

Size
10mm

Price
0$

MOQ
3000 Units

Leadtime
25 days

Technical
Specifications

RD1032-03（NC） - 10mm 32Ω Speaker Driver Specifications
Impedance	32Ω ±15% (at 1kHz, 1mW)
Sound Pressure Level (SPL)	118.7 ±1.5 dB @ 1kHz / 179mVrms with 711EAR
Resonance Frequency	280 ±10% Hz (Free Air)
Rated Power	5mW
Maximum Power	8mW
THD (Total Harmonic Distortion)	≤3% (50Hz–8kHz @ 1mW / 711EAR)
Operating Temperature	-20°C to +60°C
Storage Temperature	-20°C to +60°C (Return to ambient before use)
Insulation Resistance	>1MΩ @ 50V DC
Rub & Buzz	No audible noise @ 0.55Vrms sine sweep (20Hz–500Hz, 1.5s, 3 cycles)
Polarity	Positive DC to “+” terminal moves diaphragm forward
Net Weight	Approx. 0.64g
Dimensions	Diameter: 10mm; Total Height: 2.5mm ±0.1mm
Diaphragm Material	PU + LCP Composite Dome (White)
Magnet	NdFeB (Blue Zinc Plated)
Frame Material	ABS + Pins (Black)
Voice Coil	SHTW (Natural Color)
Reliability Tests	Load Test: 0.4V pink noise for 96h Humidity: 40°C, 90–95% RH for 96h Drop Test: 1.8m height, 18 cycles Temperature Cycle: 6 cycles (-30°C to 70°C) High Temp: 60°C for 96h Low Temp: -25°C for 96h Salt Spray: 5% NaCl, 35°C, 24h Vibration: 10–55Hz, ≥3.5mm amplitude, 2h each direction
Packaging	100 pcs/tray, 20 trays/carton, 2000 pcs/carton