ZETHUS-IP210X4 LINE ARRAY SET: This speaker system consists of (4) ZETHUS-IP210 IP-55 rated water-resistant passive line array speaker and (1) ZETHUS-IP210FF flying frame ALL-WEATHER PERFORMANCE: The ZETHUS-IP210 is a IP-55 rated water-resistant line array speaker housed in a rugged polyvinyl, water-resistant enclosure. Features black textured finish, weather-resistant cone, and heavy-duty grille with open-cell fibers, and water repellent fabric POWERFUL AUDIO, COMPACT DESIGN: A compact line array speaker featuring Italian dual 10 woofers and a 3 titanium diaphragm driver with a 700W RMS, 1400W program output (16) for outstanding performance EASY MOUNTING: The four included ZETHUS-IP210 line array speakers can be mounted on the ZETHUS-IP210FF flying frame securely using the quick release pins and safety handles. Each speaker can be adjusted from 0° to 10° between adjacent cabinets for better optimization