JBL MTC-300BB12 3 Cubic Ft. Backbox for Control 300 Series Keyboard Each cover features two small

Each cover features two small holes for running cables through and a larger opening to accommodate the speaker's hanging bracket

30W@100V Tap: 333Ω 30W@70V

The RMX-1000 gives you intuitive control of multiple parameters in macro

while its intuitive design makes it easy to use for musicians of all levels

ATTACH WILLEN ANYWHERE WITH THE STRAP: The ultimate multi-purpose speaker with its flexible positioning and mounting strap

JBL MTC-300BB12 3 Cubic Ft. Backbox for Control 300 Series Keyboard Each cover features two smallItem #MTC 300BB12 3 Cubic Ft. Backbox for Control 300 Series 12 in. Drivers Professional Series Features Extra thick 16 gauge metal construction. Lined with 12 mm ( inch) thick MDF to eliminate resonances and to provide extra bass response. Knockouts on top and all four sides. Dual mounting system for baffle. Mounting platform for an optional high power 70V 100V transformer. Specifications External Volume 3 cu ft, nominal Internal Volume 2. 4 cu ft.