Noise InsulationALL OUR REVIEWS (headphones, earphones, dacs/amps, daps, bluetooth, clean power & USB, microphones, cables/adapters, eartips, earpads, noise insulation): hereDekoni Earplugz (Jürgen Kraus)Flents PROTECHS Quiet Please Foam Earplugs (Jürgen Kraus)MACK’s ThermaFit Foam Earplugs (Jürgen Kraus)