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A compact 18×11mm micro speaker featuring 16Ω impedance, 126dB SPL, 40mW rated power, and a durable PU diaphragm with NdFeB magnet — ideal for earphones, wearables, and ultra-compact audio devices.
| Specification | Details |
|---|---|
| Product ID | RDS1811S01A |
| Product Title | 18×11mm Rectangular Micro Speaker Unit – 16Ω / 40mW |
| Product Description | High-performance 18×11mm micro speaker designed for earphones, wearables, and compact audio devices. Featuring 16Ω impedance, 126dB SPL, 40mW rated power, stable frequency response, and 6-level waterproof rating. |
| Impedance | 16Ω ±15% |
| Rated Power | 40mW |
| Max Power | 50mW |
| Sound Pressure Level (SPL) | 126 ±3dB @ 1kHz, 126mV |
| Resonance Frequency | 300Hz ±20% |
| Frequency Response | As per Figure 4 (50Hz–8kHz) |
| Distortion | <3% (50Hz–8kHz) |
| Waterproof Grade | IPX6 Equivalent (6-pole waterproof) |
| Operating Temperature | −20°C to +65°C |
| Storage Temperature | −20°C to +65°C |
| Net Weight | Approx. 2.1g |
| Diaphragm Material | PU |
| Magnet Type | NdFeB |
| Frame Material | PPA |
| Dimensions | 18 × 11 mm |
| Shape | Rounded Rectangle |
| Package | 3600 pcs/carton (100 pcs per tray × 25 trays) |
SpeakerDriver™
by Cockatwo Private Limited
CIN: U62013RJ2023PTC091507
Manufacturing Unit: Yongsheng Industrial Park 523510, Dongshan, Qishi, Dongguan, China