The 8Ω 0.5W Mini Speaker is a compact audio speaker designed for electronics, robotics, and DIY sound projects. With its 50mm diameter and lightweight construction, it is suitable for small audio systems, voice playback modules, radio circuits, and microcontroller-based applications.
The speaker features an 8-ohm impedance and 0.5W rated power, making it suitable for low-power audio amplifier circuits.
Key Features
- Compact 50mm speaker design
- 8Ω impedance
- 0.5W rated power
- Suitable for low-power audio applications
- Compatible with appropriately rated audio amplifier modules
- Ideal for Arduino, ESP32, Raspberry Pi, and robotics projects when used with a suitable amplifier
Technical Specifications
| Parameter |
Specification |
| Product Type |
Mini Audio Speaker |
| Rated Impedance |
8Ω |
| Rated Power |
0.5W |
| Speaker Diameter |
50mm |
| Height |
16mm |
| Base Diameter |
28mm |
| Connection |
2-wire speaker terminals |
| Audio Type |
Mono speaker (single unit) |
Recommended Audio Amplifiers
For best performance, use a low-power audio amplifier with adjustable volume or gain.
| Amplifier |
Compatibility |
| LM386 Audio Amplifier Module |
Recommended for low-power mono audio |
| PAM8302 Mono Amplifier |
Compatible with proper output power limitation |
| PAM8403 Stereo Amplifier |
Compatible with proper volume and power limitation |
Best Recommendation: LM386 Audio Amplifier Module
The LM386 is a practical choice for this speaker because it is designed for low-power audio applications and can operate with an 8Ω speaker.
For a 0.5W speaker, the amplifier output must be limited to avoid overloading or damaging the speaker.
Connection Example – LM386 Amplifier
- Connect the audio signal source to the amplifier input.
- Connect the speaker to the amplifier output terminals according to the module's wiring instructions.
- Supply the amplifier with its specified operating voltage.
- Start with a low volume and gradually increase it while avoiding distortion.
Applications
- Arduino and ESP32 Sound Projects
- Raspberry Pi Audio Output Projects
- DIY Radios
- Voice Playback Modules
- Robotics Sound Effects
- Educational Electronics
- Small Audio Alert Systems
- Portable Audio Projects
Important Notes
- The speaker is rated at 0.5W and should not be driven above its rated power.
- A suitable amplifier is recommended for audio playback.
- Do not connect the speaker directly to a microcontroller GPIO pin.
- Use appropriate volume and gain settings to prevent distortion or speaker damage.
- The speaker does not include an integrated amplifier.
Package Includes
