Thank you for viewing. This is a set of 2 stereo standard plugs. * Male to Female Headphone Amplifier Electronic Piano Keyboard Guitar Electric Guitar Electone Earphone Connector Compatible Product Specifications: 6.35mm Stereo Standard Plug (Male) to 3.5mm Stereo Mini Jack (Female) Set Contents: 2 pieces L-shaped, eliminates cable stress. Can be used in tight spaces. You can connect amplifiers, electronic pianos, keyboards, guitars, electric guitars, electones, electronic drums, USBDACs, audio interfaces, equalizers, and CD players to headphones. Also compatible with microphones, mixers, and DJ controllers. Perfect for nighttime practice of musical instruments and listening to music without disturbing others.