About this item The 1/4 to 3.5mm adapter is a convenient way to connect smartphones, tablets, or headphones with 3.5mm 1/8 inch plugs to audio devices with a 6.35mm 1/4 inch stereo jack, allowing your favorite headphones or other devices to fit most pro audio systems such as amps, keyboards, and pianos. Astonishing Sound Quality: Gold-plated connectors resist corrosion and ensure minimal signal loss. The 1/4' to 1/8' adapter is made of solid brass copper, more durable compared with plastic plugs. Plug and Play: The knurled end of the adapter adopts a gear grinding technique, with 360-degree grip threads to facilitate easy plugging and unplugging, and the 3.5mm jack firmly accepts the headphone plug. Wide Compatibility: The adapter fits all devices with a 6.35mm socket, compatible with various keyboards, electric pianos, guitars, home theaters, speakers, bass amplifiers, recorders, mixers, etc. The 3.5mm end fits all devices with a 3.5mm jack. Portable and Powerful Connectors: Solid con