Standard 240SW Hailer Horn 40 Watt 4 Ohm

5" x 8" front opening|7" depth|4 ohm impedance|For use with loudhailers up to 30 Watts|White plastic constructionYou may also like Seismic Audio Pair of 8" DJ Speakers and 20' Speaker Cables - 8" Band Karaoke Loudspeakers - SA-8-PKG31.