Wuzhi Audio ZK-502L Power Amplifier Board Class D AMP Module for DIY Wireless Speaker (ZK-502L)

Wuzhi Audio ZK-502L Power Amplifier Board Class D AMP Module for DIY Wireless Speaker (ZK-502L)

APIELE 16mm Latching Push Button Switch 12V DC On Off Black Shell with LED Angel Eye Head for 0.63" Mounting Hole with Wire Socket Plug Self-Locking (Blue/Black Shell)

Onyehn 2pcs 12V-36V DC Voltage Protection Module Digital Low Voltage Protector Disconnect Switch Over Discharge Protection Module