The CBT 70J-1, with Constant Beamwidth Technology™, represents a breakthrough in pattern control consistency, utilizing complex analog delay beam-forming and amplitude tapering to accomplish superior, consistent vertical coverage without the narrow vertical beaming and out-of-coverage lobing that are typical of straight form-factor column speakers. (shown with included grille removed)
Features:
Asymmetrical vertical coverage sends more sound toward far area of room to make front-toba..
The JBL CBT 70JE Line Array Extension Loudspeaker (Black) is designed to extend the pattern control of the CBT 70J by doubling its height and lowers the frequency the speaker holds over consistent coverage patterns. The CBT 70JE cabinet contains (4) 5" speakers and a crossover network inside a heavy-duty fiberglass reinforced ABS enclosure ideal for indoor or outdoor usage. This cabinet includes a coupler plate that that attaches to the top of the CBT 70J for more focused front-to-back SPL level..