Rectangular with Extra-Thick 16 Gauge Metal and Heavy Duty 1/2″ MDF Reinforcement on Top and Side Panels. Fits Control 321C, 321CT, 322C, 322CT & 321CS. 23.1″ x18.2″ (20″ Incl. Side Tabs) x12.8″ Deep.
JBL MTC-300BB12 Three Cubic Foot Back Box for 12 Inch Speakers
$337.95
Rectangular with Extra-Thick 16 Gauge Metal and Heavy Duty 1/2″ MDF Reinforcement on Top and Side Panels. Fits Control 321C, 321CT, 322C, 322CT & 321CS. 23.1″ x18.2″ (20″ Incl. Side Tabs) x12.8″ Deep.
