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 powersports 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 Kicker speakers, subwoofers and amp.