| The ACS ER20 hearing protector has been allowing musicians and music lovers across the world to enjoy live music without the risk of damage to their hearing. The ER20 is filtered to allow you to enjoy the full dynamic range of your music at lower, safer volumes avoiding the muffling effect that you experience with foam earplugs. The ER20 are supplied with their own carry case so you can take them with you whenever you need them. |
