Model: KJB-12 2 Way Fullrange: 48Hz-20KHz Frequency range woofer: LE: 12 Tweeter: HF 44 core Original imported impedance: 8 Sensitivity: 98dB Maximum sound pressure: 132dB Rated power: 400W Coverage angle: 90 X 70 Sheet: 15mm Birchboard Net weight: 21. 7KG Size: 360X400X620MM