Everything in one box. No soldering, no cutting, no crimping simply bolt in the pre-installed speakers and pre-tuned amplifiers with the included vehicle specific plug & play wiring harness. This system features the best of SSV Works to bring your side x side the cleanest, loudest and most powerful Power sports audio system available... plus, it's easy to install so you spend more time riding and less time wrenching. Each kit comes pre-loaded with SSV Works speakers, subwoofers and amp.