Super Quality Digital Amplifier Professional Karaoke Car Audio with Bluetooth

EA100USBIron panel2 channel  20W+20WSupport USB/SD/FM/MIC/Repeat/Bluetoothcan connect with MP3,VCD,DVD,CD and so onSuport AC220V/DC12V       FM :87.5MHz-108.5MHz  Output Impedance:4-16ΩEA306Iron panel2 channel  20W+20WSupport USB/SD/FM/MIC/Bluetoothcan connect with MP3,VCD,DVD,CD and so onSuport AC220/DC12V        FM :87.5MHz-108.5MHz  Output Impedance:4-16ΩEA806Aluminum panel4.0 channel  40W+40WSupport USB/SD/FM/MIC/ECHO/Display/Bluetooth        can connect with MP3,VCD,DVD,CD and so onSuport AC220V/DC12V                           Frequencey response : 10Hz-50KHz+/-dB                FM :87.5MHz-108.5MHz   Output Impedance:4-16ΩEAK01Aluminum panel2 channel  15W+15WSupport USB/SD/FM/Display/Bluetoothcan connect with MP3,VCD,DVD,CD and so onSuport AC220V/DC12V            FM :87.5MHz-108.5MHz    Output Impedance:4-16Ω  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1