Mini Neodymium Speaker 20/24/28mm 4Ohm 3W Full Range DIY
Mini Neodymium Speaker 20/24/28mm 4Ohm 3W Full Range DIY
Mini Full Range Neodymium Speaker – Crystal Clear Sound in a Compact Design
Upgrade your DIY audio projects with this high-efficiency mini full range neodymium loudspeaker. Available in 20mm, 24mm, and 28mm outer diameters, this compact 1-inch round speaker delivers surprisingly powerful, clear, and balanced sound output — perfect for Bluetooth speakers, home theater builds, portable audio devices, and all kinds of audio modification work.
Made in Mainland China.
Why Choose This Mini Speaker?
- Neodymium Magnet Technology: Lightweight yet powerful, the built-in high-quality neodymium magnet delivers strong driving force and efficient sound reproduction.
- Full Range Audio Performance: Wide frequency response with balanced tone restores rich, layered audio — from crisp highs to warm bass effects.
- Standard Electrical Parameters: 4 Ohm impedance and 3W rated power ensure stable, compatible performance across a wide range of DIY audio applications.
- Three Size Options: Choose from 20mm, 24mm, or 28mm outer diameter to match your specific installation requirements.
- Compact & Easy to Install: The slim, lightweight structure is designed for easy embedding in space-limited enclosures and custom builds.
- 1 or 2 Piece Pack: Available in single or double packs — ideal for mono or stereo channel setups.
Technical Specifications
| Material | Plastic + Metal |
| Outer Diameter | 20mm (0.79in) / 24mm (0.94in) / 28mm (1.10in) |
| Impedance | 4 Ohm ± 15% |
| Rated Power | 3W |
| Resonance Frequency | 580Hz ± 20% |
| Sensitivity | 89dB ± 3dB |
| Height (20mm version) | 7.5mm (0.30in) |
| Height (24mm version) | 10.5mm (0.41in) |
| Height (28mm version) | 11mm (0.43in) |
| Connectivity | Wired |
| Water Resistance | Not water resistant |
| Pack Options | 1 Piece / 2 Pieces |
Perfect Applications
- Bluetooth speaker builds and repairs
- Home theater DIY projects
- Portable audio device modifications
- Custom audio enclosures and hobby electronics
- Replacement speaker components for compact devices
Package Includes
1× or 2× Mini Full Range Neodymium Speaker (as selected)
Looking for other useful tools and accessories for your projects? Check out our Silicone Grease Lubricant for O-Rings or the Battery Storage Organizer Box to keep your workspace tidy and efficient.
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What sizes are available for this mini neodymium speaker?
A: This mini full range neodymium speaker is available in three outer diameter sizes: 20mm (0.79in), 24mm (0.94in), and 28mm (1.10in). Each size also has a different height profile to fit various enclosure depths.
Q: Is this speaker compatible with Bluetooth speaker DIY builds?
A: Yes! With its standard 4 Ohm impedance and 3W rated power, this mini loudspeaker is widely compatible with Bluetooth speaker amplifier boards, home theater components, and other DIY audio equipment.
Q: Can I buy two speakers at once for a stereo setup?
A: Absolutely. This product is available in a 2-piece pack, making it convenient to set up a stereo channel configuration for your custom audio project.
Q: Is this speaker waterproof or suitable for outdoor use?
A: No, this speaker is not water resistant and is intended for indoor or enclosed enclosure use only. It is not rated for outdoor or wet-environment applications.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.