AH-D600 Earpads - JECOBB Replacement Ear Cushion Pads with Protein Leather and Memory Foam for Denon AH D600, AH-D600EM Over-Ear Headphones ONLY (NOT FIT DENON Other Series) (Black): Amazon.co.uk: Electronics & Photo
Denon AH-D600 review: Denon AH-D600 - CNET
DENON AH-D600 earpad repair and protection: Super Stretch Headphone Cover mimimamo