Technics A51 set rescue. My Friend was riding around and saw these about to be thrown out. He brought them to someone who knows how to use them to their full potential.
BUZZER SPEAKER FOR SAMSUNG GALAXY A51 SOUND TONE FLEX MODULE REPLACEMENT | eBay
Samsung Galaxy A51 A71 Loud Speaker Ringer Buzzer
Samsung Galaxy A51 Ear speaker problem . Ear Speaker not Working . - YouTube