25W Mono Class D Digital Audio Amplifier Audio System Accessories Audio DIY Small Power Amplifier Board

Description 8622 is a 25W single channel high efficiency Class D audio power amplifier advanced EMI suppression technology can meet EMC requirements After using SMT post mounting technology the system has high quality audio output power 8622 has built in over current protection short circuit protection and overheating protection to effectively protect chip All tests on the typical characteristic curve are based on 1KHZ signal Features 1 Output power PO at 10 THD N VDD 12 5V RL 4Ω 19W typical value PO at 10 THD N VDD 14V RL 4Ω 24W typical value 2 No need for heat sink efficiency up to 90 3 Large power supply voltage range 6 5 18 5V4 Filter free function5 Speaker protection includes adjustable power limit plus DC protection6 Good short circuit protection and temperature protection with automatic recovery function7 Good distortion and sound function8 Four stage gain is adjustableSpecification Model 8622Power DC 6 5V 18 5VSize 41 5 26 5mmOutput power 25WRated input 500 1000MVOperating temperature 20℃ 60℃Package Included 1 x Power Amplifier Board