Powered 18 Inch Line Array Subwoofer Model: SAXLP-18A Contents: One Premium Powered 18" Line Array Subwoofer Application: Line Array Sound Reinforcement Active / Passive: Active (Powered) Power Rating: 600 Watts RMS; 1200 Watts Peak Nominal Impedance: 8 Ohms Woofer: 18" Loudspeaker Magnet Size: 120 oz Voice Coil: 4" Voice Coil Frequency Response: 35Hz - 300Hz Sensitivity: 98 dB Maximum SPL: 130 dB Coverage Pattern: Omni-Directional Connector(s): Balanced female XLR line level input, Balanced male XLR full-range line level out, powerCON® compatible power connector AC In, powerCON® compatible power connector AC Out Grill: Powder Coated Steel Enclosure: All Birch Plywood with Black textured coating Mounting: Line Array Frame Mountable and Pole Mount Cup Suspension / Mounting: High Intensity Aluminum Suspension Parts Amplifier Type: Class AB Amplifier with Cooling Fan Indicators: Power Indicator, LPF Control, and Peak Signal Indicator Features: LPF: 40Hz - 300Hz Controls: Master Volume and Power On/Off Switch AC Power Input: Universal power supply 100 - 240 VAC Dimensions: 29.5" x 24.5" x 24.5" Weight: 126.7 lbs per Cabinet Warranty: One Year Warranty The Seismic Audio SAXLP Series of Powered Line Array Speakers combines the power and prestige of line array systems into a convenient and affordable active line array system.