$759.99 $1,139.99

The Sound Town ZETHUS Series ZETHUS-IP115S is a professional grade, IP-55 rated water-resistant line array passive subwoofer. Encased in a water-resistant polyvinyl board enclosure with a durable, textured black finish, it ensures reliable and durable performance in various indoor and outdoor environments. The heavy-duty water-resistant grille, equipped with open-cell fibers and water repellent woven fabric backing, provides protection against bumps and splashes.

The ZETHUS-IP115S line array subwoofer features a 15“ aluminum frame woofer with a built-in 4” voice coil, delivering rich and solid low-frequency reinforcement. It boasts an impressive power handling capability of 700W RMS and 1400W program power (8Ω), making it ideal for small to medium spaces. The subwoofer’s heavy-duty aluminum extrusion rigging hardware allows for easy installation both indoors and outdoors as well as multiple flying points, offering versatile mounting and flying options. Complete your setup by adding ZETHUS Series PA speakers such as the ZETHUS-IP208 IP-55 rated line array loudspeaker (sold separately) for a high-quality weather-resistant line array set. Perfect for indoor and outdoor venues, such as convention centers, patios, stages, clubs, bars and more, the Sound Town ZETHUS-IP115S subwoofer is a reliable and powerful water-resistant subwoofer that you can rely on!

  • WEATHER-RESISTANT DESIGN: The IP-55 rated ZETHUS-IP115S line array subwoofer is housed in a rugged polyvinyl, water-resistant enclosure. Features a black textured finish, weather-resistant cone, and heavy-duty grille with open-cell fibers, and water repellent fabric providing weather-resistant protection.
  • DEEP, POWERFUL BASS: Enjoy rich and solid low-frequency reinforcement with the 15" aluminum frame woofer and 4" voice coil. The all-weather subwoofer delivers 700W RMS, 1400W program (8Ω).
  • ROBUST CONSTRUCTION: Beyond its powerful sound, this subwoofer's heavy-duty metal grille and sturdy aluminum hardware ensure lasting durability. The acoustically transparent, water-repellent fabric not only preserves the sound quality but also guards against moisture intrusion.
  • HASSLE-FREE SETUP: The Sound Town ZETHUS-IP115S subwoofer offers multiple flying points, making mounting or flying it a breeze. For an unparalleled audio experience, combine it with our ZETHUS-IP208 line array PA speakers (sold separately).
  • PERFECT FOR ANY VENUE: Whether it's an indoor or outdoor venue, the ZETHUS-IP115S all-weather subwoofer promises exceptional sound quality that fits any occasion. From stages and bars to churches and schools, our subwoofer meets the demands of varied venues.


Active / Passive Passive
Frequency Range 35 Hz - 180 Hz
Frequency Response 38 Hz - 180 Hz
Sensitivity 102 dB
SPL Max 130 dB
Dispersion --
Configuration 15" passive water-resistant line array subwoofer
Transducer LF: 1 x 15", HF: --
Voice Coil 4"
Magnet 100 oz
Impedance 8Ω nominal
Power Handling 700W RMS / 1400W Peak
Enclosure Material 3/4" water-resistant complex fiber board
Mounting Compact line array aluminum hardware
Finish Water-resistant texture coating
Grill & Rigging Component Steel with anti-corrosion coat
Amplifier --
Input 4-pin speakon with water-resistant cover
Output 4-pin speakon with water-resistant cover
Control --
Indicator --
Voltage 100V-240V (50-60 Hz)

Dimension & Weight

Product Width (in.) 27.9" Package Width (in.) 29.9"
Product Height (in.) 18.1" Package Height (in.) 21.9"
Product Depth (in.) 21.7" Package Depth (in.) 25.0"
Product Weight (lb.) 120.0 lbs Package Weight (lb.) 139.9 lbs


Manufacturer Warranty 1 Year