I'm super glad I bought this unit. It sounds great and works perfect! It made a huge difference in the total sound quality. Don't let the 6" size fool you, it thumps hard and I'm only running the Amp gain at 30-40%. I bought this for a 2014 Toyota Tacoma 4-Door pick up. I'm running the factory head unit and all factory speakers. Pretty easy to install in a couple of hours. Just run power from the battery to the sub, ground it and then splice into the two back door speakers. The only hard part was getting to the factory speaker wires in the pillar between the front and back door. No regrets on this purchase.