CARDAS HPI-A Audiophile Adapter Cable Female 1/4" 6.3mm to Male 1/8" 3.5mm TRS Mini-plug CARDAS HPI-A Audiophile Adapter Female 1/4" (6.3mm) to Male 1/8 (3.5mm) right-angle Mini stereo plug. Length 6 (155mm) The Adapter converts a large Headphone stereo Male plug 1/4" (6.3mm) to a small stereo 1/8" (3.5mm) Male mini plug Constructed with ultra-pure Copper Litz and 3-conductors Golden ratio stranding with high efficient shielding and insulation for superb connectivity and No degradation of the audio signal Durable and lightweight design with great flexibility and strain reliefs in both ends will minimize risk of damaging the audio source and headphone plug CARDAS Interconnects is an excellent upgrade value for improved sound performance. Compatible Headphones with Large 1/4 (6.3mm) stereo plug; Sennheiser, Sony, Audio-Technica, Hifiman, AKG, Beyerdynamic, Grado, Bose +more