noun. the property of a microphone or antenna of being more sensitive in one direction than in another.
noun. the quality of being directive.
1. Noun, singular or mass The SP 2G's two-way speaker design uses one 15-inch Black Widow woofer with a Kevlar-impregnated cone and one 22XT compression driver loaded with a CH 941 constant directivity horn, linked by a crossover network.