Rockville RBG18FA 18″ 3000W Active Powered Pro Subwoofer Folded Horn Pa/dj Sub

Video of RBG18FA: Ultra-efficient Earthshaking Folded-Horn Powered Subwoofer What the hell is a Folded-Horn Subwoofer anyway Folded-Horn Reflex Technology Explained: Any horn shape which gradually expands from a small inlet to a large opening will act as a physical amplifier for sounds applied to the smaller end. When coupled to a loudspeaker it improves its efficiency. However a full size horn that would work at low frequencies would make for an impractically large cabinet. By folding the horn back on itself so that the inlet can be near the outlet you can significantly reduce its size without compromising the effect. When this technique is used to take the energy from the back of a speaker and redirect it to the front you have a folded- horn bass-reflex cabinet. The Rockville RBG18FA folded horn subwoofer will blow you away. Please do not let the price point of this item fool you. Our goal was to manufacture a crazy loud and great soundi…