2 Inch Mini Speaker (4Ω 3W): Clear Sound for Your DIY Projects

The 2 inch mini speaker is a compact full-range speaker that turns audio signals into clear, loud sound. Its small size and light weight make it easy to fit inside project boxes, robots and handheld devices. It works with amplifier modules like PAM8403 and LM386, and with DFPlayer Mini for MP3 playback. A practical choice for EEE, CSE and Mechatronics students in Bangladesh building voice alert, music player and talking robot projects.

Key Features

• 2 inch (about 50 mm) diameter, compact and lightweight
• Rated power: [3W], impedance: [4Ω]
• Clear mid and high frequency sound, good for voice and alerts
• Works with PAM8403, LM386, DFPlayer Mini and other amplifier modules
• Easy to mount inside enclosures with screws or glue
• Suitable for battery-powered projects
• Low cost, good for learning and prototyping

Specifications

• Size: 2 inch (approx. 50 mm)
• Rated Power: [3W]
• Impedance: [4Ω]
• Type: Full-range mini speaker
• Shape: [Round / Rectangular]
• Wire: [with wire / without wire]

Applications / Project Ideas

• MP3 player with DFPlayer Mini
• Voice alert and announcement system
• Talking robot and smart toy
• Flood, gas and fire alarm sound output
• Mini Bluetooth speaker (with amplifier module)
• Doorbell and notification device

Important Usage Note
Do not connect the speaker directly to an Arduino pin, as it can damage the pin and the sound will be very weak. Use an amplifier module (PAM8403 or LM386) or a DFPlayer Mini with its speaker output. Match the speaker impedance and power with the amplifier rating.

Package Includes

• 1 x 2 Inch Mini Speaker

Why Buy from Project Kits BD?
Genuine, tested components, student-friendly price and fast delivery across Bangladesh. Wiring ba code e help lagle amader team ache.