ZK-MT21 Bluetooth 5.0 2.1 Channel Bluetooth 5.0 Digital Power Amplifier Module

Features: Product Name : 2.1 channel audio amplifier module with Tone Product Model : MT21 Bluetooth Version : 5.0(no shielding,15 meters) Input Sensitivity: 500mV Audio Input : AUX+ Bluetooth Channel : 2.1 Chip Solution : Domestic power amnlifior chip Power Range: DC12~24 V / 5A above (vo not connect to 24V battery pack) Adapter Speaker : 20~100 w£¬4~8¦¸ Output Power : Max 50W @ R&L channel Max100W @ subwoofer Protection Mechanism : Anti reverse connection¡¢Overheat¡¢Over-current¡¢Short circuit Product Dimensions : 93mm*90mm*22mm Package Weight : about 185g ( packaging)? PS: In the audio input is enough, the supply voltage/current is enough, there will be enough output power! The higher the supply voltage, the greater the output pow-er.The smaller the impedance of the speaker, the greater the output power! Please