Hellow guys, Welcome to my website, and you are watching Zk-502MT 5.0 BT Digital Audio Amplifier Board | 50+50W | class D 2.0 amp. and this vIdeo is uploaded by Mr. Tech at 2025-03-29T21:53:54-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.