Speaker 8Ω 3W (66x21mm)
High-Power 8Ω 3W Speaker – Rectangular (66x21mm) for DIY Audio & Electronics Projects
This 8-ohm, 3-watt speaker delivers powerful and clear audio in a compact, rectangular form factor (66mm x 21mm). Designed for Arduino sound projects, alarms, MP3 modules, smart home systems, and portable electronics, it's ideal when you need louder sound output with minimal space.
Its durable construction and enhanced output make it suitable for indoor and outdoor enclosures, voice playback systems, or even Bluetooth audio applications.
🔧 Key Features
Rated Impedance: 8Ω (Ohms)
Power Handling: 3W RMS
Speaker Size: 66mm × 21mm
Clear and distortion-free sound output
Compact rectangular shape for enclosure mounting
Easy to wire via solder pads or jumper leads
Suitable for stereo or mono configurations
📊 Technical Specifications
Parameter | Specification |
---|---|
Impedance | 8 Ohms |
Power Output | 3W |
Dimensions | 66mm × 21mm |
Speaker Type | Magnetic, rectangular |
Mounting Holes | Yes (on flange) |
Frequency Response | ~300Hz – 10kHz (typical) |
Weight | ~25g |
🧰 Applications
Arduino and ESP32 sound projects
MP3 and Bluetooth audio modules
Smart speaker or voice announcement systems
Talking alarms and robots
DIY radios, audio players, and voice recorders