ZK-502MT Subwoofer Amplifier Module 2x50W 20 Channel High Power Bass Board Kit

ZK-502MT Subwoofer Amplifier Module 2x50W 20 Channel High Power Bass Board Kit _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ ZK-502MT 2x50W 2.0 Channel Subwoofer Amplifier Board Stereo Audio Speaker Module High Power Bluetooth-Compatible Bass Accessory _x000D_ Feature: _x000D_ Bluetooth-compatible audio amplifier module 2.0 dual-channel stereo output, maximum output power of 2X50W _x000D_ AUX and Bluetooth-compatible audio input mode, two in one power amplifier board. Bluetooth-compatible 5.0, transmission efficiency is higher, transmission distance is longer _x000D_ Adopt domestic chip program, output audio without filtering, standard sound quality _x000D_ With short circuit protection and over current, over heat, anti-reverse connection protection, to prevent comprehensive failure. When an overload occurs, the device reports the failure to the processor to protect itself from damage _x000D_ Use copper DC connector and fence terminal. Can withstand large current, do not heat, do not damage the wire. _x000D_ With bass, treble, subwoofer frequency and volume control, easily adjust the volume, enjoy the music you want to sound. Widely used in shopping malls, home theaters, speakers and so on _x000D_ _x000D_ Specification: _x000D_ Model: ZK-502MT _x000D_ Bluetooth-compatible Version: 5.0(no occlusion, 15m) _x000D_ SNR: >90dB _x000D_ Input mode: AUX+ Bluetooth-compatible _x000D_ Number of channels: left and right double channels (stereo) _x000D_ Power amplifier chip: domestic power amplifier chip _x000D_ Adaptive power supply: DC9~24V/ above 3A (24V battery pack cannot be connected) _x000D_ Adapter horn: 15~100W, 4~8Q _x000D_ Supply voltage: _x000D_ 12V-----8 ohm /12W+12W, 4 ohm /20W+20W _x000D_ 15V-----8 ohm/18W +18W, 4 ohm/30W +30W _x000D_ 19V-----8 ohm/30W +30W, 4 ohm/40W +40W _x000D_ 24V----8 ohm/40W +40W, 4 ohm/50W +50W _x000D_ Protection mechanism: overheat, overcurrent, short circuit protection _x000D_ Size: 89mm*60mm*21mm/3.5X2.4X0.8in _x000D_ Weight: about 111g(including packaging) _x000D_ _x000D_ Tip: _x000D_ Only when the audio input is enough and the power supply voltage/current is enough will there be enough output power!! _x000D_ The higher the power supply voltage, the greater the output power, the smaller the horn impedance, the greater the output power!! _x000D_ Please ensure that the adapter power is greater than the actual working power of the amplifier!! _x000D_ _x000D_ Note: _x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 1 xSubwoofer Amplifier Board (with Accessory Bag) _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_