promotion loudspeaker double 8-inch 100C, 8ohms, active top of paint, with USB , can connect an external 12V battery, Specification Professional promotion loudspeakerModel:OY18(POWER):100W*1(sensitivity):40-90db(frequency):30Hz-20KHz(impedance):4-8ΩDescription: double 8-inch 100C, 8Ω, active top of paint, with USB , can connect an external 12V battery, high-powerWeight: Gross weight:18kgNet ...