Introducing the Phase USW300 – your ultimate solution for unparalleled bass performance in a compact, ultra-slim design. Crafted with precision and innovation, this 300W Underseat Active Subwoofer System redefines automotive audio excellence. Designed to seamlessly integrate into your vehicle, the Phase USW300 boasts a die-cast aluminum construction, ensuring durability and optimal heat dissipation for prolonged use. Its slim profile allows for easy installation under seats or in tight spaces, without compromising on power or sound quality. Experience deep, rich bass like never before, thanks to the advanced engineering and cutting-edge technology packed into this sleek subwoofer system. Whether you’re cruising down the highway or parked at a standstill, the Phase USW300 delivers immersive audio performance that transforms your driving experience. Say goodbye to bulky, cumbersome subwoofers and hello to the future of in-car audio excellence with the Phase USW300. Elevate your sound system to new heights and make every journey an unforgettable sonic adventure. Explore the power of precision engineering with the Phase USW300 – where compact design meets uncompromising performance. If you have an aftermarket stereo, you will need RCA Cables with this subwoofer.