The Church on Wheels Sub Cart is the perfect solution for transporting your subwoofers. Each sub cart has four (4) heavy duty 6" casters rated at 1,500 lbs. and a powder coated steel frame. This caddy will hold two 15-18" sub cabinets, or one sub and a series of locking array mains like shown in the photo. The number of array speakers you can leave mounted is dependent on the clearance of your trailer/storage area. The standard size of the cart custom, we create them specific to your subs, please and make/model or dimensions below.