Pro Ears Gold II 30 PEG2RMG Electronic Hearing Protection Range Green Posted on August 27, 2023 by admin New in retail box. Pro Ears Gold II 30. Made in the USA. Uses four (4) AAA batteries (not included). Proprietary DLSC compression technology. Amplifies sounds up to 8x with high fidelity and has a 1.5 millisecond response time.