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

In Phase  |  SKU: 82834
Model# USW300
£94.99 £199.99

This is a B-Stock item. This was returned unwanted by a customer.

  • Free & Next-Day Delivery Available

    Free & Next-Day Delivery Available

  • Hassle-Free Returns Within 30 Days

    Hassle-Free Returns Within 30 Days

  • Free & Next-Day Delivery Available

    1 Year Warranty for Peaceful Ownership


*Damaged Packaging, unit has been tested*
The In Phase USW300 underseat subwoofer is a popular choice for car audio enthusiasts due to its amazing performance, compact size, and great value. Despite its small size, this compact subwoofer delivers powerful and punchy bass that can bring your car audio system to life.

The USW300 is designed to fit neatly under most car seats, making it an ideal option for those who want to add a subwoofer to their vehicle without taking up valuable space in the boot. It features a built-in amplifier, so you don't have to worry about purchasing a separate amplifier to power the subwoofer.

In terms of sound quality, the USW300 delivers crisp and clear bass that can enhance the listening experience of any music genre. It has a frequency response range of 20Hz-150Hz, which covers the entire range of bass frequencies. The subwoofer is also equipped with a variable crossover and a phase switch, allowing you to adjust the sound to your preferences.

Overall, the In Phase USW300 underseat subwoofer is a best-selling car audio product that offers amazing performance, compact size, and great value. It's perfect for those who want to add some extra bass to their car audio system without sacrificing too much space or breaking the bank.
*If you have an aftermarket stereo, you will need RCA Cables with this subwoofer.*


Additional Information

  • 5" x 8" Aluminium Speaker,
  • 130W RMS
  • 300w Max Power
  • Die Cast Aluminium construction
  • Variable Subwoofer crossover 40-150hz
  • Speaker Frequency range 40-150hz
  • Bass Boost 26db Gain @ 42Hz
  • Max Power consumption 10Amp
  • W 280mm x H 200mm x D 75mm
  • Weight 3.7KG

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