In Phase USW300 300W Underseat Ultra Slim Compact Active Subwoofer System Die-Cast Aluminium

In Phase  |  SKU: 76371
Model# USW300
Barcode: 5060047672757
£99.99 £199.99
  • Free & Next-Day Delivery Available

    Superfast Next Day Delivery available. T&Cs

  • Hassle-Free Returns Within 30 Days

    Hassle-Free Returns Within 30 Days. T&Cs

  • Free & Next-Day Delivery Available

    1 Year Warranty for Peaceful Ownership


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.*

Additional Information


Delivery Information

Free Standard Delivery on all orders over: £50.00 (Excludes Northern Ireland, Channel Islands and International Orders)

UK Next Working Day Delivery with DPD: Need your order urgently? Take advantage of our next working day delivery option by placing your order before 16:00. This excludes Northern Ireland, Scottish Highlands and Channel Islands (Sorry!)

Saturday Delivery Option with DPD: Choose our Saturday delivery option during checkout for seamless and convenient weekend delivery, ensuring your needs are met precisely when you need them. This excludes Northern Ireland, Scottish Highlands and Channel Islands (Sorry!)

We are dedicated to providing exceptional service and convenience, ensuring swift and efficient delivery of your products. Benefit from our various delivery options tailored to meet your specific preferences and requirements.

Refunds & Returns

Hassle-free Returns: At Car Audio Centre, we strive for your satisfaction. If you are not completely satisfied with your purchase, we offer a straightforward 14-Day Money Back Guarantee. Simply return any unused and unopened products within 14 days of delivery for a full refund.

Easy Return Process: To initiate a return, please ensure the product is in its original, unused condition and contact our customer service team. We will guide you through the simple return process and ensure a prompt refund.

Customer Satisfaction Priority: We place a strong emphasis on customer satisfaction and aim to make the return and refund process as convenient as possible for you. Your feedback is valuable to us, and we are dedicated to resolving any concerns promptly and efficiently.

Shop with confidence at Car Audio Centre, knowing that our 14-Day Money Back Guarantee ensures a hassle-free return process for your convenience and peace of mind.

Learn more by viewing our returns & refund policy.

Product Questions and Answers