JBL ASB7118 Subwoofer 100702369 or just something to help

or just something to help you get started

Snap-down rubber over-molded cushion grip handle

Special features: suitable for notebooks

Connectors: 1/4" TRS

Square hole rack rails to accommodate either #10-32 US standard

JBL ASB7118 Subwoofer 100702369 or just something to helpJBL ASB7118 High Power 18 inch Subwoofer Ultra Long Excursion High Power Single 18" Subwoofer 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