XH-M125 Single Channel Power Amplifier Module 5W

From the shop's description

Description XPT8871 Mono Audio Amplifier Module is an anti interference and a tiny 5 Watts mono power amplifier, which works in conventional class (class AB and class D). This 5W is the maximum power and occurs on a 2Ω, BTL speaker load, THD <10% and 5V While using a 5V, 1A power supply, its positive and negative terminal Features Chip: XPT8871 Anti-interference, sound quality, low power consumption Power supply voltage: DC 5V, 1A (positive and negative can not be connected to the reverse, the reverse immediately burn IC) Output Power: 5W Channel Type: Single Channel Application:USB Speaker, Portable Speaker, TV, DVD, Satellite Finder, Navigator,etc