Electronic shooting protection and musician in-ear monitors. The most advanced electronic hearing protection by the oldest USA manufacturer of custom hearing instruments. Solutions are available in custom or universal-fit designs and work just as well for hearing assistance as they do for hearing protection. We even have a smartphone app-controlled hearing aid that does not require the involvement of a hearing specialist. Our in-ear monitors are not only the best sounding but also safer for your ears. We stand behind everything we build with a 30-Day Money Back Guarantee. Made in the USA.