This is audio power amplifier based on the 8002A single channel 3W, BTL bridge connection.
It is specially designed for the serial MP3 player module, just plug it to the MP3 module and plug the 8 ohm / 1W speaker and then you can make music player, voice broadcast projects.
It can operate at 5V operating voltage, 3Ω load, provide THD <10%, average 3W output power.

Features:
- Operating voltage: 2-5.5VDC (power supply interface is XH2.54-2P socket)
- Quiescent current: 10mA (max)
- Output power: 3W (load = 3Ω), 2.5W (load = 4Ω), 1.5W (load = 8Ω)
- Sound volume is high, good sound quality, distortion is small.