Zk-Mt21 Bluetooth-Compatible 2.1 Channel Bass Power Subwoofer Amplifier Board Audio Stereo Amplifier Board

Description: 100% new and high quality! Type: Bluetooth amplifier board Szie: about 9*2.2*9.3cm/3.54*0.87*3.66in Color: as color Packing: 1pcs bluetooth amplifier board Power supply voltage: 3.3V Power supply current: 100mA Input mode: AUX+Bluetooth Input sensitivity: 500mV Number of channels: 2.1 channels Protection mechanism: anti-reverse connection, overheating, overcurrent, short circuit protection Applicable speakers: 20~100W, 4~8Ω Applicable power supply: DC12~24V/5A or above (cannot be connected to 24V battery pack) Output power: left and right channels <50W, subwoofer <100w Tip: Only when the audio input is sufficient and the power supply voltage/current is sufficient, there will be enough output power! The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power! Please make sure that the power of the adapter power is greater than the actual working power of the amplifier! ! The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.