i know when i was in school at fullsail ... there was a place, which i dont remember the name, but they made custom earplugs ... from molds of your ears ... that would cut specific decibels(frequencies) depending on what enviroment you were working... and what you specify...basically they make what you want ...but i would recommend to anyone working in live sound to get at least a 20 dB cut... for the small fee of around 100$ u.s. i am sure you can find a place via the internet that can provide you with more 411...!!! check it out...!!!

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Ripperz -And- WriterZ