Tomswa 6.35 (1/4 inch) Male to 3.5mm (1/8 inch) Female Stereo Audio Adapter Tomswa TRS 3.5mm female to 6.35mm male (1/4" to 1/8") audio jack adapter converts a 3.5mm plug into a 6.35mm plug. Easily connect your smaller headphones to audio devices with 6.35 mm jacks such as Hi-Fi systems. It can transmit high fidelity audio without hiss or static and ridges for easy handling. Suitable for multiple devices and you can enjoy yourself without disturbing anyone.