ZK-502L 50W*2 MINI 5.0 Scheda Amplificatore Bluetooth Wireless Audio Alimentazione Digitale US
24V ----- 8 ohms/38 + 38W, 4 ohms/more than 50 + 50W. 1 x Digital Power Amplifier Board. Bluetooth version: 5.0. How to connect to bluetooth?. If your speaker power is small, it may be between 10W-30W.