RCF LF21X451 High Power Ceramic Replacement Subwoofer Driver - 21" microphone boom arm this case is built for

this case is built for both professional and travel-friendly use

Two metal shafts support the fader knobs

and construction industries

Vertical Rack Spaces: 2

LF Frame Material: Aluminum

RCF LF21X451 High Power Ceramic Replacement Subwoofer Driver - 21" microphone boom arm this case is built forThe RCF LF21X451 is a premium 21 inch subwoofer built for ultra high output low frequency performance. Featuring a robust 4. 5 inch inside outside copper voice coil, dual forced air ventilation, and a fiber loaded cone, this transducer delivers deep bass, exceptional linearity, and maximum reliability. With 4000W program power handling and high excursion capability, its engineered for demanding professional audio applications requiring both punch and