Speaker Active KINGMAX by COMTECH PA-1230 Woofer 12 inch,Tweeter 4 inch Bluetooth,USB,FM Radio,Extra Subwoofer Effect,3 Band Tone mic For Karaoke. * Bluetooth Connectivity * FM Radio * USB,SD card input ( WMA/MP3 ) * Super bass reflex system * Extra subwoofer Effect * woofer 12 inch * Tweeter 4 inch * Tone Active( Volume,Treble,Bass,Subwoofer ) * 2 music input ( Tv/Led,DVD dll ) * 2 Mic input ( Volume,Echo ) Karaoke * 3 Band Tone Mic ( Hi,Mid,Low ) * Built in Remote control * Short circuit Protection * Digital Echo * Auto Voltage 110 - 240 Volt * Size Box : H 73 x W 41,5 x D 30 ( cm )