4" Surface Mount Loudspeaker, WhiteWhite 4" 2 way 120 Conical Loudspeaker (Sold individually) 4" weather treated woofer; 0. 75" silk dome tweeter 120 conical DMT coverage 30 watt low saturation and low loss 70 100V transformer with 8 ohm bypass Maximum peak SPL 110 dB (8 ohm bypass) DMT (Directivity Matched Transition) ensures smooth, uniform frequency response over the coverage area X Mount system enables the loudspeaker to be easily installed and deployed at a variety of angles with