I feel so dumb. I bought 3 XL Brainwavz Earpads, one Sheepskin, one Dark Red Pleather and used them both for a week until my newest a Velour Earpad. The headphones I own are an Open-Back Audio Technica Ath-Ad700x, and a Closed-Back Monoprice Retro Over-Ear Headphone. Today I received my newly...