car audio amplifier 1.1IDIN standard installation dimensions . 2.high-frequency wireless Kara OK function, Hot selling JA108G 12V Car kara OK music player ... .4, support 4-way 6.35 microphone interface5, independent power amplifier, maximum power output 4 * 45W6, two-way audio output7, two ... .(kg): 14.4/16.3 Certificate Hot selling JA108G 12V Car kara OK music amplifier