Feature:1. High quality control line The use of 25 core control line, effectively avoid the bass gun or power amplifier in the use of space-time load, the protection of the line safety, lengthening the service life of the artillery or power amplifier 2. Pure copper audio line The use of durable pure copper RCA terminal, high fidelity audio line, fully achieve high school & low full frequencysignal signals are accurate, so that sound efficiency is better 3. High quality grounding wire Effective circuit work circuit, avoid the bass gun or power amplifier to carry static electricity, effectively protect the safetyof the artillery or power amplifier 4. High quality sound insurance pipe The zinc alloy is used to protect the gallbladder, & the external materials are made from high temperature & environmentalprotection materials, whichcan effectively prevent the product damage caused by large current or positive & negative powersupply, & effectively protect subwoofer or poweramplifier 5.BG pure copper terminal O terminal connecting car battery, U type terminal to Subwoofer Package Included:1 X Power Cable 1 X Control Line 1 X Audio Line 1 X Grounding Wire 1 X Sound Insurance Pipe 2 X O Type Terminal 2 X U type Terminal