car audio amplifier 1.1IDIN standard installation dimensions . 2.high-frequency wireless Kara OK function, Hot selling ... Car kara OK music player Product parameter 1, IDIN standard installation dimensions2,use international famous Kara OK Chip3, support for high ... .4, support 4-way 6.35 microphone interface5, independent power amplifier, maximum power output 4 * 45W6, two-way audio output7, two ...