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This practical audio converter cable features 3.5mm TRRS stereo male plug and 4 pin screw terminal block, perfect for audio signal conversion and wiring connection. No soldering required, you can quickly fix various audio wires via screw terminals easily. Adopts high-shielded inner core to effectively isolate external interference, ensure stable and clear audio and microphone signal output. Widely applicable for headphone wiring, speaker assembly, audio equipment modification, AV system arrangement and various electronic engineering projects. Durable material ensures long-term stable use, ideal for professional audio installation and daily DIY wiring work.