1. Professional audio speaker 2. PA audio loudspeaker system 3. Powerful 75W/150W 4. USB/SD/FM/REMOTE 5. CE AND ROHS JBL TYPE PROFESSIONAL AUDIO ACTIVE SPEAKER (8") EN 08A Active PA audio molded DJ speaker8″ 2 way active molded cabinet speakerFrequency Reponse:50-17KHzSensitivity:90±2dB(1W/1m)Rms/Max:75/150Watts8″Woofer 38mm VC, 30OZ, 4Ω25mm Ti. Diap. driver, 8ΩVoltage:110/230V AC 50~60Hz