DIY FM Radio Electronic Kit Bluetooth Audio 5Wx2 Spectrum Indicate Music Player Soldering Practice

DIY FM Radio Electronic Kit Bluetooth Audio 5Wx2 Spectrum Indicate Music Player Soldering Practice. Product introduction: A radio made with a ready-made FM radio module. Just solder the circuits of the power amplifier and level indicator. The power amplifier circuit is composed of imported device PAM8406, with a maximum output power of 3W. The 2-way level indicator is composed of KA2284. Supply voltage: 5.0V-5.5V, current 500MA-2A. Power amplifier level indicator PCB board size: 9.5CM x 2.9CM. Shell size: 11.9CM x 6.6CM x 6.6CM. Speaker: 4 ohms 5W. Amplifier MAX power: 3W. Channel: Dual channel. FM receiving frequency adjustment range: 87.0MHz-108.0MHz. Precautions: Do not touch the back components of the module during work to avoid affecting the normal operation of the module or causing a short circuit and burning the module. This module is a radio-sensitive device, and interference from the power supply or nearby may affect the normal operation of the module. This is a DIY kit and ne