PWMA-170 Dual Channel 400 Watt Wireless PA System W/USB/SD/MP3, FM Radio, 2 VHF Wireless Microphones (1 Lavalier, 1 Handheld)
1 8 3 4 5 6 26 9 7 27 10 11 16 17 28 21 19 18 20 15 22 13 14 1.110V/220V Input 2.12 V Battery Protective Tube 3.Input Selector 4.Repeat 5.Next 6.PREV 7.Play/Pause 8.DC 12V Power Switch 9.AC Power Switch 10.USB Input 11.SD/MMC/MMS Card Input 12.Mic Indicator Light 13.MP3 Indicator Light 14.Power Indicator Light 12 23 24 25 15.Battery Charged Indicator Light 16.Battery Charging Indicator Light 17.DC 12V Input 18.Ipod/Aux Input 19.Volume Control 20.Bass Control 21.Treble Control 22.