The KMS67 Tower System is a horn-loaded, compression-driver (HLCD), high-efficiency component system providing maximum sound quality and especially at a distance. Advance Horn Design for Max Extended Frequencies The advanced design on KICKER Marine horns deliver natural-sounding, high-frequency response for an incredible distance. Weather-proof The system is weather-proof with sealed cones, motor assemblies and UV-treated components. High-efficiency The high-efficiency midrange speakers feature lightweight, dual-stack neo-motor technology and cast-aluminum baskets. Built-in Crossovers Built-in crossovers take the guesswork out of wiring, making them a breeze to install. Specifications: Woofer(in,mm) - 6-3/4, 165Horn Loaded Compression Driver(in,mm) - 1.7, 43High Pass(dB), at Frequency(Hz) - 18,1700Low Pass(dB), at Frequency(Hz) - 12, 1700Peak Power (watts, per ANSI/CTA-2031-A) - 400Recommended Amplifier Power (watts RMS) - 200Frequency Response(Hz) - 50-22kWoofer Mounting Hole Diameter(in,mm) - 5-11/16, 144Woofer Bottom Mount Depth(in,mm) - 3-7/8, 99Horn Mounting Hole Diameter(in,mm) - 5-11/16, 144Horn Mounting Depth(in,mm) - 7-3/16, 1883 Have Questions About This Product? Message us here or: Email Us At: [email protected] Call Us At: 315-458-5000