The 2 pin din connectors are usually located on Hifi's or loud speaker devices. Our plug will not damage your voice quality. With this plug, you can quickly and easily replace defective plugs in your speaker connection. It has a small volume, thus it is portable and durable. Scientific design can help you plug and unplug easily. 100% brand new and high quality Features: The 2 pin din connectors are usually located on Hifi's or loud speaker devices. Our plug will not damage your voice quality. With this plug, you can quickly and easily replace defective plugs in your speaker connection. It has a small volume, thus it is portable and durable. Scientific design can help you plug and unplug easily. Plug ONLY,other accessories demo in the picture is not included. Specification: Material: ABSMetal Color: BlackSliver Length: app.47mm/1.85in Nominal voltage: ≦50V Type:JR0072 Quantity: 10 Pcs Note: No retail package Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 10 Pcs x Plug.