I turn my volume up to around 1.2 million decibels and use these
https://www.amazon.com/Beyerdynamic-Headphones-Hardbody-Headphone-Extension/dp/B07JNC7CNM/ref=mp_s_a_1_3?dchild=1&keywords=dt770%2Bpro&qid=1601071817&s=aht&sr=1-3&th=1&psc=1