effortless auditory amplification with this USB powered amplifier board, featuring AC5V DC5V USB power supply that eliminates the need for extra adapters and simplifies connection for various devices. Designed with a compact amplifier module structure, it boasts a 5Wx2 double channel output for clear, powerful sound in small spaces, using durability circuit board materials to ensuring stable and long lasting . This auditory amplifier module offering easy integration and compatibility with multiple auditory input devices without complex setups. Perfect for versatiled setting like home entertainment, presentations, outdoor gatherings, or temporary event such as exhibitions and small parties. Package includes: 1PC PM2038 small power amplifier board