1. Made of zinc alloy material, durable. 2. The wiring connection is convenient and safe, to avoid the possibility of short circuit caused by stray wiring harness, no welding is required, and the surface is gold-plated. 3. Terminal type: male plug 4. Color: black + red 5. Scope of application: applicable to speakers, audio, video receivers, etc. 6. Function: make the cable connect to the audio jack without welding 7. Installation location: at the audio jack 8. Wiring mode: red: positive; black: negative 9. Wiring wire gauge: 12 AWG, 14 AWG, 16 AWG and 18 AWG