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What We Need For Mini PVC Amplifier Project

 PAM 8403 Amplifier circuit

THIS TINY AMPLIFIER OPERATES ON 5V DC AND PRODUCES AN OUTPUT OF 6W (2 X 3 W).This is one of the cheapest and most powerful stereo amplifier, provided with proper wiring and power sources.The IC does not require a heat sink, so this will be perfect for your custom speaker project.This amplifier costs about 80 cents in the U.S and around 50 Rupees in India.The dimension of this board is 2cm x 2cm only!DON'T SHORT THE GROUNDS OF THE LEFT AND RIGHT AUDIO OUTPUTS WITHOUT USING A. There will be a schematic below if you want to attain common ground for making headphone amps.

 USB Bluetooth Module

This Curcuit is Need Dc 3.7V-5V

It Has Audio Output Jack

AUX In

Wireless Audio Transmission

FM

 PVC Pipe

This Is PVC Pipe

If Your Speaker Is 2.5" You Need 2.5" PVC Pipe

 Ultra Fire 3.7V Battery

This is 3.7V 3200mAH Battery

You Can Use Also 3.7V-5V Any Battery

PVC Band Pipe

This Is PVC Band Pipe