50pcs High quality lotus plug, power amplifier audio gold-plated lock-free welding rca signal cable DIY welding-free AV connector

feature of product: 1. Oxygen-free copper body 4U24k gold-plated 2. Connection method: the core can be screwed or welded, and the outer shield is screwed 3. Aperture: Accommodates the audio cable with a maximum diameter of 9mm 4. Advantages: fast conduction rate and sweet sound. 5. Locking method: spiral with lock