The JBL 15" PD595 Horn-Loaded Speaker with 90 x 50 Horn is a Precision Directivity loudspeaker designed for applications requiring high output capability with excellent pattern control. PD595 can be utilized in music or speech systems where frequency extension to 80 Hz is adequate or combined with subwoofers to create extended bandwidth fullrange systems. Plus, the speaker's rotatable waveguide allows for either horizontal or vertical cabinet orientation. It features a sophisticated, steep-slope passive crossover network with switchable bi-amp/passive crossover mode.