DS18 PRO-DK175WG 3.5” x 4.4” Wave Guide Horn + 1” Compression Driver Kit (Ferrite Magnet) The PRO-DK175WG is a compression driver and waveguide combo made to cut through all noise. Offering pinpoint detail at high volume: ideal for pro audio setups, competition systems, and extreme SPL builds. Ferrite-Powered PunchThis driver uses a ferrite magnet and a 1.75” titanium voice coil to deliver clean, dynamic sound in the 1.5kHz to 20kHz range. Rated at 90W AES, 180W Program, 360W Peak power handling