Smart wearables are evolving from health trackers to all-in-one interactive devices. Whether it's smart watch voice assistant alerts or smart glasses private audio playback, micro speakers are the key to sound output. This guide covers speaker selection for smart wearables.
Core Challenges for Smart Wearable Speakers
| Challenge | Description | Solution |
|---|---|---|
| Extreme space limit | Smart watches have only 10-20mm width | Choose Φ10mm or below |
| Height constraint | Watch body 6-12mm thick | Choose 5mm or below height |
| Power sensitivity | Battery 200-500mAh | 16Ω low impedance |
| Waterproof requirement | IP67/68 required | Waterproof coated speakers |
Smart Watch Speaker Recommendations
Ultra-mini Φ10mm and below (for 9-12mm cavity):
| Model | Diameter | Height | Impedance | Power | Features |
|---|---|---|---|---|---|
| XDEC-10E16T23NE16 | Φ10.0mm | 3.5mm | 16Ω | 5mW | Ultra-slim, balanced |
| XDEC-8E16T24NF17-L20-15 | Φ8.0mm | 4.2mm | 16Ω | 5mW | Mini, great sound |
| XDEC-5E16J23NJ11 | Φ5.0mm | 4.0mm | 16Ω | 3mW | Ultra-mini for smart glasses |
Φ24-30mm ultra-thin (for smartwatch speaker mode):
| Model | Diameter | Height | Impedance | Power | Features |
|---|---|---|---|---|---|
| XDEC-25E32J22NH23B-D190 | Φ24.9mm | 6.1mm | 32Ω | 20mW | Ultra-thin, Hi-Res |
| XDEC-30E32J24NE27 | Φ30.0mm | 11.5mm | 32Ω | 20mW | High sensitivity |
Smart Glasses Speaker Recommendations
Smart glasses require 5-8mm diameter, 3-4mm height.
| Model | Diameter | Height | Impedance | Power | Features |
|---|---|---|---|---|---|
| XDEC-5E16J23NJ11 | Φ5.0mm | 4.0mm | 16Ω | 3mW | Designed for wearables |
| XDEC-8E16T24NF17-L20-15 | Φ8.0mm | 4.2mm | 16Ω | 5mW | Compact, balanced |
Selection Guide
| Device | Cavity Size | Recommended Model | Key Specs |
|---|---|---|---|
| Ultra-slim Smart Watch | Φ8-10mm | XDEC-5E16J23NJ11 | 16Ω/3mW/4mm height |
| Smart Watch (Hi-Fi) | Φ24-30mm | XDEC-25E32J22NH23B-D190 | 32Ω/20mW/Hi-Res |
| Smart Glasses | Φ5-8mm | XDEC-5E16J23NJ11 | 16Ω/3mW |
FAQ
Q: Do smart watch speakers need waterproofing?
Yes, smart watches require IP67+. XDEC offers waterproof-coated speakers with proven sweat and rain resistance for sports watches.
Q: Can XDEC do custom shapes?
XDEC has 19 years of micro speaker expertise, supporting full customization from 3mm diameter, with 2-3 weeks tooling and free samples available.