3W 4 Ohm 40mm Round External Magnet Electronic Speaker Trumpet
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The 3W 4Ω 40mm Round External Magnet Speaker is a compact audio transducer designed for small electronic and audio projects. It delivers clear sound output with a rated power of 3 watts and an impedance of 4 ohms, making it suitable for use with amplifier modules such as PAM8403. Featuring an external magnet structure, it provides improved sound efficiency and stable audio performance. With a lightweight and durable build made from metal and plastic materials, this speaker is ideal for DIY electronics, portable devices, educational kits, and embedded sound systems where compact size and reliable audio output are required.
يُعد مكبر الصوت الدائري 3 واط 4 أوم بحجم 40 مم وحدة صوتية صغيرة مخصصة للمشاريع الإلكترونية والصوتية. يتميز بقدرة خرج تصل إلى 3 واط ومقاومة 4 أوم مما يجعله مناسبًا للاستخدام مع مضخمات الصوت مثل PAM8403. يعتمد على تصميم مغناطيس خارجي يوفر كفاءة صوت أفضل واستجابة مستقرة. يتميز بحجمه الصغير ووزنه الخفيف ومكوناته المصنوعة من المعدن والبلاستيك، مما يجعله مناسبًا لمكبرات الصوت المحمولة، والمشاريع التعليمية، والأجهزة الإلكترونية المدمجة التي تتطلب جودة صوت جيدة في حجم صغير.
The 3W 4Ω 40mm Round External Magnet Speaker is a compact electromechanical audio device designed for converting electrical signals into audible sound. It is commonly used in low-power audio systems, DIY electronics, and embedded devices where space is limited.
With a rated power of 3W and 4Ω impedance, this speaker is compatible with small Class-D amplifier modules and microcontroller-based audio systems. Its external magnet design enhances sound sensitivity and improves overall audio efficiency despite its compact size.
Constructed using durable metal, plastic, and magnetic components, the speaker ensures stable performance and long service life. Its round 40mm form factor makes it easy to integrate into portable devices, educational kits, and electronic prototypes.
Specifications
| Parameter | Value |
|---|---|
| Rated Power | 3W |
| Impedance | 4Ω |
| Type | External Magnetic Speaker |
| Shape | Round |
| Size | 40 × 23 mm (Diameter × Height) |
| Material | Aluminum, Metal, Plastic, Magnet |
| Color | Black / Bronze Tone |
| Weight | 144 g |
| Package Includes | 1 × Speaker Unit |
Applications
- DIY audio amplifier projects
- Portable speaker systems
- Arduino and Raspberry Pi audio output
- Educational electronics kits
- Embedded sound systems
- Electronic toys and gadgets
- Small multimedia devices
- Prototyping audio circuits
- Alarm and alert systems
- Low-power sound output applications