boom box speaker "USB/Card Reader,FM Radio Function Output Power ... active speaker, pc speaker, pa speaker, speaker, professional karaoke player, line array speaker, professional studio speakers, professional concert speakers, ... amplifier speaker, subwoofer speaker, camcorder professional Item NO: YM-1012 boom box speakerMaterial: woodenPower: 80Wx2 Speakers Unit: 10"Midrangex2PCImpedance:4-8Ω ...