Features: The 3.5mm speakers Wire adapters features gold plateds TRRS male jacks and screw terminals for high fidelitys sound transmission and easy, solderfree connection. For OMTP and CTIA standards, this 30cm adapters supports AWG28 16 wires, ensuring connectivitys for microphones, headphones, and speakers. For sound installers, enthusiasts, and professional hasslefree solution to connecting sound devices without soldering. Use this 4 poles TRRS to terminals block cable home theaters, mobile setups, or professional sound systems requiring secure device integration. With color codeds screw terminals simplifies wiring for smartphones, PC, and AV equipment while maintaining signals claritys. Specifications: Materials: PVC, metal Product Size: 30cm Product Weight: 20g Color: Black Quantity: 1PC, 2Pcs(optional) interfaces Type: 3.5mm to AV 4Pin solderless terminals Package Includes: 1/2Pcs 3.5mm to AV 4Pin sound Connection Cable note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.