These earplugs are a good value between $100-$130.00. The acoustic filter option, will allow for more proximity sounds to be heard, and understood... with a higher noise rating still focused on the higher frequencies. This filter, albeit, not a true "musician's" type of filter, is still widely used throughout many industries such as - nightclubs/bars, shooting sports, dentistry, motorsports, sleeping/mediation, etc.., where communication is needed.