With Protective Function: This Bluetooth Amp module is designed with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection, with case to protective it
Easy Installation and Use: The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions.
Small size: 4.4 in* 2.75 in* 0.78 in, easy to carry
ZK-1002T PRO 2.0 Channel Bluetooth 5.0 Amplifier Board 200W HiFi Subwoofer Audio AMP with Treble and Bass, BT USB and AUX Inputs, DC 12-24V Stereo AMP Module for DIY Speakers (2 Pack)