5pcs PAM8403 Miniature Digital USB Power Amplifier Board 2.5V - 5V

5pcs PAM8403 Miniature Digital USB Power Amplifier Board 2.5V - 5V D Type 2 x 3W

Description:

Large output power, energy sufficient, good quality, can directly drive 4 ?? or 8 ?? small speakers
Good noise suppression you will hear nothing from the loudspeaker if there is no audio input
Your can charge this board directly with your computer or mobile phone USB
Super mini design can be easily placed in a variety of digital products
The whole board adopts machine welding with high quality stand
The negative pole of left and right channels output end cannot connect together!

Specifications:

Unit size: 1.85 x 2.11cm
Material: FR4
Input Voltage: 2.5 - 5V USB power supply is available

Package included:

5 x 3W D-Type PAM8403 amplifier board