Audio Technica ATH-M50x-ADAPTER - Factory replacement 1/8 inch to 1/4 inch threaded adapter for ATH-M50x, ATH-M40x, ATH-M30x, and ATH-M20x. ATH-M50x- ADAPTER
Professional monitor headphones| ATH-M50x |Audio-Technica
Audio Technica Replacement Adapter 3.5 - 6.3mm For M50 | Headphone Spare Parts - Store DJ
Amazon.com: East Brooklyn Labs Bluetooth Wireless Adapter Amplifier for Audio Technica ATH M50x Professional Studio Headphones : Electronics