JBL ASB4128 Subwoofer 100789958 Why does Martin Professional use

Why does Martin Professional use liters instead of gallons

Multi-voltage operation: 100-230V

12 internal programs with speed and fade control

Faze trigger switch

Combine it with the 12

JBL ASB4128 Subwoofer 100789958 Why does Martin Professional useJBL ASB4128 Dual 18 inch Subwoofer ASB4128 is a medium power subwoofer system comprised of two 460 mm (18 in) low frequency drivers in a front loaded, vented configuration. The deep, rectangular cabinet allows for extended low frequency bandwidth with minimum frontal profile. Features: Large vent area for high output. Parallel Discrete Switchable. See Array Guide on applications such as performing arts facilities, theatrical sound design, auditoriums,