Sound Speakers Price in BD (Bangladesh) 2026

Sound Speaker Components for DIY Electronics and Student Science Projects

Looking for high-performance sound speakers for your school science project, university engineering model, or DIY audio setup? At Biggan Project (বিজ্ঞান প্রজেক্ট), we supply a comprehensive selection of raw speaker drivers, mini sound transducers, and audio components tailored specifically for Bangladeshi students, makers, and electronics enthusiasts. Whether you are assembling a DIY Bluetooth speaker, integrating voice prompts into an Arduino robotics circuit, or demonstrating acoustic physics at a science fair, our category offers tested, affordable hardware to turn your audio ideas into reality.

Essential Speaker Types for Science Fairs and Electronics Projects

Choosing the right sound output device depends on your circuit requirements, power limits, and physical space. Biggan Project (বিজ্ঞান প্রজেক্ট) offers various speaker form factors to simplify component matching for any project:

• Mini Speaker Drivers (8 Ohm, 0.5W to 2W): Ultra-compact paper and plastic cone speakers ideal for microcontrollers like Arduino Uno, ESP32, and Raspberry Pi. They are perfect for voice notification systems, small alarms, and portable gadgets.
• Full-Range Woofer & Loudspeakers (4 Ohm / 8 Ohm, 3W to 10W): High-output units built for rich bass and clear audio performance. Recommended for DIY Bluetooth speaker boxes, custom boomboxes, and multimedia audio projects.
• Oval and Square Enclosed Speakers: Pre-wired mini speaker drivers featuring built-in chamber housings that deliver clear sound without custom box construction.
• Piezo Buzzers & Sound Transducers: Lightweight components designed for tone generation, simple security alarms, and frequency-matching science experiments.

How to Integrate Sound Speakers with Microcontrollers and Amplifiers

To produce audio signals using microcontrollers like Arduino or ESP32, pairing your speaker driver with the correct driver board is essential. Standard micro-controller output pins provide low current, making dedicated amplifier modules necessary for driving speakers without signal distortion:

• PAM8403 Amplifier Board: A 3W+3W dual-channel class-D mini amplifier board running on 5V DC. It pairs seamlessly with 4 Ohm or 8 Ohm 3W speakers for lightweight, battery-powered Bluetooth speaker models.
• LM386 Audio Amplifier Module: Features adjustable gain control to amplify analog signals from sound sensors, microphone boards, and tone generators.
• DFPlayer Mini & Audio Modules: Connect these modules to your microcontrollers to trigger MP3 voice guidance, songs, or warning cues directly through our 8 Ohm mini speakers.

Why Buy Speaker Components from Biggan Project (বিজ্ঞান প্রজেক্ট)?

Finding accurate and reliable electronics components in Bangladesh can be challenging for young innovators. At Biggan Project (বিজ্ঞান প্রজেক্ট), we focus on delivering authentic items, student-friendly prices, fast delivery across Bangladesh, and clear technical specifications. Our team tests audio modules and speakers to ensure compatibility with standard breadboards and soldering setups, helping students build successful science models with confidence.

Frequently Asked Questions

Which speaker is best for an Arduino or ESP32 project?

An 8 Ohm 0.5W or 2W mini speaker paired with a PAM8403 amplifier board or DFPlayer Mini audio module is the standard combination for Arduino and ESP32 project setups.

Can I build a DIY Bluetooth speaker using these components?

Yes, you can pair our 3W–10W full-range speakers with a 5V Bluetooth audio receiver module, a PAM8403 amplifier, and a rechargeable 18650 Li-ion battery to construct a fully custom Bluetooth speaker box.

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