15" Sub Bass PERFORMANCE Frequency Response (Hz): 40Hz~120kHz(Recommended) Axial Sensitivity (dB SPL,1Watt@1m): 99 Impedance (Ohms): 4 Power handling (watts RMS): 1000 PHYSICAL System Configuration: Sub Bass LF Subsystem: 2x15-in woofer/4-in voice coil HF Subsystem: Ribbon high frequence system Enclosuer Materials: 18mm plywood with glass fiber Finish: Wear-resistant black textured paint Connectors: 2 x Neutrik NL 4 Suspension Hardware: Proprietary rigging system Grille: Powder coated perforated steel Dimensions Front Height: 21.2(Inches)/538(Millimeters) Width: 28.4(Inches)/722(Millimeters) Depth: 27.7(Inches)/703(Millimeters) Weight Net Weight: 168(Kilograms) Shipping Weight: 179(Kilograms) Amplifier: Subwoofer comprising 2 pieces of 15"LF ludspeakers and amplifier of bass 800W 8 ohm and 800W 4 ohm for driving 4 pieces top mid&high loudspeakers
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