SOLMIMI 1/4 to 3.5mm adapter is a 6.35mm Male jack into a 3.5mm Female plug adapter, for connecting smartphones, tablets or headphones with standard 3.5mm plugs to audio devices with a 6.35mm stereo jack. eg: Mixer Guitar Piano Amplifier Speaker and More. <br> SOLMIMI 6.35mm to 3.5mm adapter Stereo Headphone Adapter Made of Oxygen-free copper, ensuring high fidelity sound quality and without current noise; Polished 24K Gold-plated connector minimizes noise and interference; With top-notch construction, premium conductors and ingenious design for a clean and dynamic sound at the price of generic cables. <br> <br> Connectors: <br> 6.35mm Male Adaptor: Electronic keyboard, Audio mixer, amplifiers, electric guitar/piano, stereo system, mixing console, home audio, home theater devices or AV receivers with a 6.35mm 1/4 stereo jack. <br> Stereo Power Amplifier, Electric Guitar / Piano, Electric Bass, E-Keyboard, Piano, Stereo System, Mixer, Home Theater, Boxing and More. <br> 3.5mm Female Stereo Adaptor: Smartphones,, MP3 players, Tablets, portable CD/DVD players or laptop with standard 3.5mm 1/8 inch plugs. <br> <br> Warm Tips: <br> The devices you use for should also have a stereo TRS jack (Transfer audio, no mic function).