Type: Dual-driver vented Sub-bass system Woofer: 2*18〝(460mm) woofer; 8 0hm Frequency response: 35 HZ-150 Hz±3db Rated power: 1000W RMS Max Power: 2000W RMS Crossover Passivo: 120 HZ Sensitivity: 102 dB (1m/1w) Max peak SPL: 130 dB Max. Long Term SPL:136 dB Enclosure: Multi-laminate birch ply construction Finish: Textured black paint Protective Grill: Grey still grille Connector: 2*SPEAKON (IN-LINK) Dimensions: (H)1066mm*(W)*561mm*(D)1805mm Weight:87 kg