ZK-MT21 Scheda Amplificatore di Potenza Audio Bluetooth Subwoofer 2.1 Canali 50WX2+100W

Product Model : MT21. Max100W @ subwoofer. Audio Input : AUX+ Bluetooth. Output Power : Max 50W @ R&L channel. Channel : 2.1. Input Sensitivity: 500mV. enough output power! The smaller the impedance of the speaker, the greater the output power!

eBay