●Connectors and Plugs: The design uses connector and plug to achieve optimal electrical and acoustic transmission of the groove output. ●Applicability: The phono stylus holder will meet all the S shaped columns installed on the standard H 4 bayonets. ●Universal Stylus Holder: Suitable for a variety of turntables, providing safe research and assembly of most professional DJ cartridges. ●HiFi and Turntable: For speakers made with HiFi and professional turntables, complete harmonics and fidelity are the best choice for users. ●Aluminum Alloy: The phonograph head stylus holder is made of high quality aluminum alloy material, strong and durable, long service life.