JBL ASB7118 Black shure and the option to use

and the option to use gates instead of triggers

5 kHz with the manual frequency control ("Frq

synced or un-synced delays times (for both left and right channels)

and horn/drum balance

JBL ASB7118 Black shure and the option to useJBL ASB7118 BLACK. The ASB7118 is a high power, lightweight front loaded vented subwoofer enclosure housing JBLs exclusive 2269H Ultra Long Excursion 18" Differential Drive woofer. This woofer features neodymium magnet, dual voice coils and dual gaps, JBLs exclusive Vented Gap Cooling and ultra robust composite cone for high excursion and extra long life. Woofer is capable of a peak to peak maximum excursion of 89 mm (3. 5"). Features: 2269H 18"