ERSE introduces the new FoilQ Copper Foil Coils. Purchase from our stocked 16, 14, and 12 AWG coils in many values. Click HERE to see our new FoilQ Inductors
CROSSOVER CALCULATOR Having a difficult time deciding what components to use to build the ultimate speaker crossover? Use our ERSE exclusive Crossover Calculator. Our calculator will show you what components will work best for your application.
HIGH QUALITY UPGRADES While you shop look for the ERSE exclusive upgrade feature. We at ERSE strive to provide you the absolute best audio experience. This feature will help you find the highest quality products for your audio needs.