JBL MTC-300BB12 3 Cubic Ft. Backbox for Control 300 Series Keyboard All-Weather Compact 2-Way Coaxial Loudspeaker

All-Weather Compact 2-Way Coaxial Loudspeaker with 6

Coverage Angle 110° conical Coverage Angles(by Frequency) Conical (Vertical & Horizontal) 500 Hz: 180°1000 Hz: 160°2000 Hz: 155°4000 Hz: 92° Reference Axis Specification and measurement reference is directly on-axis vertically and horizontally

200 mm (8 in) Commercial Series Ceiling Speakers

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

JBL MTC-300BB12 3 Cubic Ft. Backbox for Control 300 Series Keyboard All-Weather Compact 2-Way Coaxial LoudspeakerItem #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.