Replacement Cable Extension Spring Coiled Cord for Audio Technica ATH M20 ATH M20X ATH M30 ATH M30X ATH M50 ATH M50S Headphones|Earphone Accessories| - AliExpress
Beacock Music - Audio Technica ATH-M20X Closed Back Pro Studio Monitor Headphones
Audio-Technica ATH-M20 vs Audio-Technica ATH-M20x: What is the difference?