Eton's patented HEXACONE diaphragm, sandwiches a honey comb shaped layer of Nomex between two layers of Kevlar. The resulting cone is extremely stiff and rigid, eliminating distortions caused by breakup resonances. The Eton woofers are very detailed and fast, yet smooth and natural sounding without coloration.

We design, manufacture and distribute high-performance audio systems for the car, home, and professional audio markets. Our car audio products are sold primarily in the worldwide car audio aftermarket to consumers who want to improve their existing car audio systems.

MB QUART is a worldwide leader in the development, engineering and manufacturing of loudspeaker products and technologies primarily for the car audio market. MB QUART's products are positioned to sell at premium price points and thus complement ROCKFORD CORP's existing position in the moderate and better markets.