ERSE is an electronics audio manufacturer located in the USA with over 30+ years of experience. ERSE 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 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. The only way to do this is to find more efficient manufacturing methods to build our products. In many cases our custom manufacturing equipment can manufacture higher quality parts then our competition while increasing output over 50%. This is one of the key's to our success and enabling high quality products at lower costs. Our methods do not just stop at our manufacturing techniques. Often our electrical and manufacturing engineers will work with our suppliers helping them find more efficient methods to build higher quality materials. ERSE has always had a keen ear and have listened closely to our valued customers. Many times in working close with our customers we can find additional research and ideas to bring better quality products to market. Many of our customers include high class audio manufacturers of amplifiers, loudspeakers and related electronics. Our customers choose ERSE because we have a reputation of offering consistent high-quality components and electronics at competitive prices and excellent customer service. Many of our first customers in 1993 still purchase from us today. A purchase of ERSE products will ensure your products receive the best performing components and electronics at very competitive prices.