pa speaker "USB/Card Reader,FM Radio Function Output Power ... speaker, pa speaker, speaker, professional karaoke player, line array speaker, professional studio speakers, professional concert speakers, professional sound systems speaker, ... speaker, subwoofer speaker, camcorder professional Item NO: YM-1014 PA speakerMaterial: 12mm woodenPower: 80Wx2 Speakers Unit: 10"Midrangex2PCImpedance:4- ...