COMPATIBILITY: Compatible with ATH M50x /M50xBT /M50RD /M40X /M30x /M20x /MSR7 M Series Headphones. Enhance the Sound: Adopting the high-grade protein leather and the high-density foam, our earpads will seal around your ears brilliantly, ensuring you excellent noise isolation and extreme comfort. Easy step to remove and install in the new ear pad, fit perfect Replace your worn out earpads ear cushion cover for all day wearing comfort, Your ears are not in the proper position in relation to the drivers if your cushions are all worn out. NOTE: Your old ear pads will have a negative impact on the sound quality of the headset. Why not buy our new Street27 ear pads to make them look brand new again. Package Include: You will receive 1 pair of earpads.