R1-66Z-EN 12" 2-Way Horn Coaxial Loudspeaker 60x60° EN54The EN54 24 certified, large format R1 EN offers very high sensitivity with LF directivity control to 400 Hz. The R1 ENs large, deep LF horn and large diaphragm 1 inch exit HF driver provide exceptional HF extension and LF output. Available in three horn pattern options 60 x 40, 60 x 60 or 90 x 40, the 12 inch R1 EN delivers excellent wideband directivity and is a superb choice for excessively reverberant indoor sports venues and small to mid sized