The Sound Town ZETHUS-IP118S is a professional grade weatherproof/waterproof line array passive subwoofer. It is housed in a waterproof fiber board enclosure with a very resistant, textured black paint. The heavy-duty waterproof grille comes with open-cell fibers and water repellent woven fabric backing. Together with the watertight connectors, it safeguards against bumps, drops, sprays and splashes. The Sound Town ZETHUS-IP118S sub has one 18“ aluminum frame woofer with 4.5” voice coil built-in and delivers rich and solid low-frequency reinforcement. The all-weather subwoofer comes with 1200W RMS, 2400W peak (8-ohm) extraordinary power handling capability. With heavy-duty aluminum extrusion rigging hardware, the subwoofer is easy to install both indoors and outdoors. It has multiple flying points and provides flexible mounting or suspension options. When combined with ZETHUS series line array PA speakers (ZETHUS-IP210, available separately), the line array system provides superior sound that seasoned engineers and musicians demand at touring grade. FEATURES ALL-WEATHER OUTDOOR SUBWOOFER:The subwoofer is housed in a waterproof fiber board enclosure with a very resistant, textured black paint. The heavy-duty waterproof grille comes with open-cell fibers and water repellent woven fabric backing. Together with the watertight connectors on the rear panel, it safeguards against bumps, drops, sprays and splashes MASSIVE BASS:One 18” custom-engineered aluminum frame woofer with a 4.5” voice coil and carbon fiber cone delivers rich and solid low-frequency reinforcement. The all-weather subwoofer comes with 1200W RMS, 2400W peak (8-ohm) extraordinary power handling capability and delivers tight bass at earth shaking volume STURDY CONSTRUCTION:With heavy-duty metal grille and aluminum extrusion rigging hardware, the speaker is easy to install both indoors and outdoors. Backed with water repellent woven fabric, while acoustically transparent, it prevents the intrusion of water into the cabinet EASY MOUNTING:The Sound Town ZETHUS-IP118S line array subwoofer has multiple flying points and provides flexible mounting or flying options. When combined with ZETHUS-IP210 line array PA speakers (available separately), the system provides superior sound that seasoned engineers and musicians demand at touring grade VERSATILE APPLICATIONS:Ideal for both indoor and outdoor venues including convention centers, hotel pavilions, patios, stages, clubs, bars, restaurants, churches, schools and more SPECIFICATIONS Specifications Model ZETHUS-IP118S Active / Passive Passive Frequency Range 32 Hz - 180 Hz Frequency Response 35  Hz - 180  Hz Sensitivity 104 dB SPL Max 135 dB Dispersion Omnidirectional Configuration 18" waterproof subwoofer line array Transducer LF: 1 x 18" woofer with 4.5" voice coil (160oz magnet) HF: -- Voice Coil 4.5" Magnet 160 oz Impedance 8Ω Power Handling 1200W RMS / 2400W Peak Enclosure Material 3/4" waterproof complex fiber board Mounting Hardware ZETHUS-IP210FF Âflying frame, compact line array hardware Finish Waterproof texture coating IP Grade IP54 Grill & Rigging Component Steel with anti-corrosion coat Amplifier -- Input 4-Pin Speakon with waterproof cover Output 4-Pin Speakon with waterproof cover Signal Processing -- Control -- Indicator -- Voltage -- Dimension & Weight Product Width (in.) 32.1" Package Width (in.) 36.5" Product Height (in.) 20.0" Package Height (in.) 23.4" Product Depth (in.) 21.6 " Package Depth (in.) 24.6" Product Weight (lb.) 155.0 lbs Package Weight (lb.) 98.4 Âlbs Warranty/Certifications Manufacturer Warranty 1 Year Â