20W+20W Amplifier DIY MP3 Decoder Board 7.4v Music Player FM Radio Module Microphone TF USB Amplificador KIT

20W+20W Amplifier DIY MP3 Decoder Board 7.4v Music Player FM Radio Module Microphone TF USB Amplificador KIT Popis

High-power 20W+20W amplifier for rich audio This 20W+20W amplifier DIY board delivers strong, clear sound output, ideal for building powerful speaker systems with excellent audio performance and dynamic range.
Multi-function MP3 decoder with 5.0 Equipped with music player and FM radio module, this kit supports wireless audio streaming, FM reception, and playback from TF/USB storage devices.
Supports multiple input sources The MP3 decoder board accepts audio from TF card, USB drive, FM radio, and , offering flexible connectivity options for various music sources.
Designed for DIY enthusiasts and hobbyists, this speaker accessory kit is perfect for DIY projects requiring reliable audio processing and amplification.

ITEM DESCRIPTION

7.4v Square Dance Amplifier Board 2*20W Support Speaker Amplifier AUX U-Disk Recording 5-8 Inch Home


Panel Size: 170*82MM

Power : DC7.4V LI Battery


FM usage method:

Connect the radio antenna, press the MODE button to to FM mode, press the button to automatically find and save channels, and press the and down buttons to channels


usage method:


Press the MODE key to to


Turn the your phone and search for device , then click 'Connect Device'


If the connection is unsuccessful, please delete all original settings, search and connect again


Instructions for using external audio input:


Insert one end of the 3.5-pair recording cable into the headphone jack of the computer or phone, and the other end into the AUX input port the device panel


Then press the MODE key to the device to AUX mode, and the sound from the phone or compute