Laris Zk-Mt21 【Cod】 Amplifier Board Power Amplifier Amplifier Audio 50W*2 100W Dital Power Amplifier Audio Amplifier Board Modul Power Amplifier Audio Bluetooth Modul Penguat Daya Dital Daya Tinggi Papan Kontrol Nada Sound Amp 2.1 Channel Bluetooth 5.0