This adapter converts 1/4" Stereo headphone plug to a Stereo 3.5mm male. Hosa cables are built with the hard-working, hard-touring musician or audio professional in mind. Hosa cables are exceedingly popular, due in part to their reputation as being one of the most affordable and high-quality cable lines in the business. Hosa cables have also received praise for their durability and excellent performance. When it comes to audio cable design, Hosa keeps a steady eye on the basics, and you can hear this attention to detail in their sound.