Quality you can hear

ERSE audio is an acronym for Engineers Researching the Science of Electronics. We have run our business by this meaning for over 30 years and it continues today.  ERSE is continually researching for new materials and methods to bring competitively priced products at very high quality.

ERSE audio has over 30+ years experience and education in audio electronic engineering.  Our passion to bring high quality reasonably priced products to the audio market and continues today.  Our manufacturing techniques are proprietary and quite unique in many ways.  Our goal of any product is to be able to build a better product at a lower cost without comprising quality.  

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.

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.