The OSL X15WP is a light-weight, injection moulded ABS, loudspeaker with a wedge design that offers an excellent performance in an ergonomic body. Its weather resistance makes it ideal for outdoor applications in the installation & touring domain. Critical Performance Indicators Max SPL @ 1m 129 dB Frequency Response 50 Hz – 20 kHz Coverage Angle 90 x 60 Transducers 15" low frequency woofer with 44 mm PET high frequency driver (Silicone Treated) Protection Recommendation Weather Resistant to Heat, Splash & Dust Mounting Options M10 Fastening Points, 35mm Pole Socket Rated Power 500 Watts RMS (1000W Peak)