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Cement Wire Wound Resistors
With features like High Surge Capabilities and small sizes, the ERSE cements wire wound resistor is perfect for all high power applications.
Learn MoreFoil Q – Copper Foil Coils
ERSE introduces the new FoilQ Copper Foil Coils.Purchase from our stocked 16, 14, and 12 AWG coils in many values. Learn More
Audio Tips
COMPARISON
CHARTS
We know that our products are the best! Compare our products with the competitors using our comparison charts. Charts are available for our EQ Air Core Coils and our premium XQ Perfect Lay Coils.
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.
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.