dBud Intelligent Earplugs with Noise Filter from EarLabs
D'addario dBud Volume Adjustable Earplugs - Lauzon Music
dBud 64894 – High-Fidelity Ear Plugs with Two Volume Settings. -24 dB and -11 dB. One Simple Slide of a Button. Designed for Musicians and Noise Protection.,Black : Amazon.co.uk: Musical Instruments &