Made from 13pl Birch Plywood or MDF and well constructed. These boxex are very efficient, built to play the deepest baseline from 20-300z and are ready for competition, your competitors will be at your mercy.If playing 8 or more of these speakers in-doors we would reccomend that you get a structural engineer to check out the building before you crank them up. These boxes are also awesome outdoors. NEW 15 Extended Low Frequency Subwoofer. Woofer Low Fs of 29Hz. Weather Protected Reinforced Cone For Outdoor Use. Hits Clean & Hard Thanks To Its' High 14mm Xmax Woofer. Incredible Deep Smooth Bass That is Chest Pounding Down To 20Hz! WHEELS: 2ea At the bottom rear of the box, (Tilt and push or pull the boxes). HANDLE: 1ea on rear of boxR. CONNECTORS: Dual Nutrix connectots mounted on connector pannel. The item "SUBWOOFER 15 inch Folded Horn Speaker with Woofer 1000W RMS 8 Ohms" is in sale since Friday, November 6, 2020. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Speaker Drivers & Horns". The seller is "blrreggae777" and is located in Silver Spring, Maryland. This item can be shipped to United States.