Vktech ZK-MT21 Subwoofer Digital Power Board 2.1 Channel Stereo Amp Module

Vktech. Input sensitivity: 500mV. Input method: AUX. Bluetooth. compatible. Number of channels: 2.1 channels. Power chip: Domestic power chip. Adapter power supply: above DC12-24V/5A24V battery pack is not allowed). Adapted speakers: 20-100W, 4-8Q. ZK-MT212x50W+100W2.1 Channel Subwoofer Digital Power Board AUX 12V24V Audio Stereo. Bluetooth. compatible 5.0 Bass Amp for Home Theater Speaker. Feature: The. Bluetooth. compatible audio power module has 2.1 channels and the maximum output power is 2X50W+100W. It has two audio input modes, AUX and. Bluetooth. compatible, and a two-in-one power board. Bluetooth. compatible5.0, higher transmission efficiency, longer transmission distance. It has short-circuit protection, over-current, over-heating, and anti-reverse protection to prevent total failure. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage. It adopts copper DC connectors and barrier terminals. It can withstand high current