LQSC PAM8406 DC 5V Digital Power Amplifier Board 5W+5W Two-channel Stereo Class D Amplifier Module DIY Small Speaker

Specification Product name 5W 5W Class D digital power amplifier boardPower supply voltage DC 5V do not overvoltage overvoltage will burn the IC Input method single endedOutput power 5W 2Ω 5V 3W 4Ω 5V 1 8W 8Ω 5VProcess materials high end pure black gold circuit board imported KEMET audio capacitor large capacity filter capacitor per channel Special order pure black pure copper terminal gold plated audio input terminal Efficiency Greater than 90 Total harmonic distortion plus noise Less than 10 Low quiescent currentNoise suppressionProtection power input reverse protection short circuit overheating EMIAdditional functions external power amplifier type selection function MODE high level class D low level class AB factory default high level external shutdown SD chip shut down when low level factory default high level external mute MUTE low level mute factory default high level Color BlackMaterial PCB metalSize 55 12 x 32 26mmWeight 25gPackage included 1 x Digital power amplifier board