No soldering required. Simply loosen the screw with a screwdriver and insert the wire into the locking terminal for a secure connection. High-performance insulated cable connection. Made from insulating material with excellent electrical and mechanical properties for reliable signal transmission. Tweeter crossover modification. Remove the capacitor in the tweeter to achieve a clearer high‑frequency response. Air-core inductor. Low inductance and low loss design that contributes to clearer overall sound quality. Key benefits - Easy, tool-free installation with a secure locking connection - Durable, insulated cable channel with reliable electrical and mechanical performance - Potential for clearer highs by adjusting the tweeter crossover - Performance-oriented component design aimed at improved sound clarity Use scenarios - Car audio upgrade: quick wiring and crossover adjustment to enhance tweeter performance without extensive modifications - DIY speaker crossover tuning: suitable for hobbyists modifying tweeter response and overall tonal balance - Home audio system improvements: suitable for projects that require reliable wiring and clean high-frequency performance