professional disco speakers "USB/Card Reader,FM Radio Function Output ... speaker, professional karaoke player, line array speaker, professional studio speakers, professional concert speakers, professional sound systems speaker, professional disco speakers, mini speaker, car ... Item NO: YM-1026 stage speakerMaterial: WoodenPower: 80Wx2 Speakers Unit: 10"Midrangex2PCImpedance:4-8Ω S/N: 85dB Separation ...