Gold Plated 3.5mm 1/8" TRS to 6.35mm 1/4" TS Mono Y-Cable Splitter Cord is perfect for connecting your laptop or PC with a jack speaker output to a device with 2 x 6.35mm jack inputs - e.g. mixing desk. It is made of Oxygen-Free Copper (OFC) conductors for enhanced signal clarity, and ideal for studio or live performances. With Oxygen-free copper and double shielding, this dual 6.35mm to 3.5mm audio cable could provide maximum's conductivity and durability, and ensure a exceptional sound quality.