In Phase XTB-88A 450W Active Subwoofer with Built in Class AB Amplifer

In Phase

In Phase XTB-88A 450W Active Subwoofer with Built in Class AB Amplifer

Reviewed byUpdated 4 Jun 2026

Best price available

£199.99

From £199.99 across 1 merchant
Introducing you to the XTB-88A - brand new from In Phase and the ultimate solution for adding powerful bass to your audio system with ease and convenience. This 450W Active Subwoofer is engineered to deliver thunderous low frequencies, making every beat and bassline come to life with clarity and impact. Featuring a built-in Class AB amplifier, the XTB-88A ensures efficient power delivery for maximum performance, while its compact enclosure design allows for seamless integration into any vehicle or audio setup. Say goodbye to bulky amplifiers and cumbersome wiring - with quick-release connections, installation is a breeze, saving you time and effort. With a bass remote control you have the freedom to set it up to your preference, putting you in complete control of your audio experience. Whether you're cruising down the highway or enjoying a night out with friends, the XTB-88A ensures that your music packs a punch wherever you go. Experience the thrill of deep, resonant bass like never before with the In Phase XTB-88A. Elevate your audio system to new heights and enjoy immersive sound that brings your music to life. Upgrade your audio game with the XTB-88A and discover the difference that quality engineering and superior performance can make in your listening experience.

Price Analysis

Fair Price

The current price is around the average. It's a reasonable time to buy.

Current Best

£199.99

Average Price

£199.99

Lowest Ever

Highest Ever

Compare Prices (1 merchant)

Compare prices for In Phase XTB-88A 450W Active Subwoofer with Built in Class AB Amplifer

Ca

Car Audio Centre

Best Price
In Stock

Price

£199.99

Shipping

Total

£199.99
Go to Store

Price Alert

Get notified when the price drops. No account required.

Get a price drop alert
£

Current best price: £199.99

Product Details

BrandIn Phase
CategoryVehicle Parts & Accessories
MerchantCar Audio Centre
GTIN5060801413367
MPN127017

Frequently Asked Questions

What is the best price for In Phase XTB-88A 450W Active Subwoofer with Built in Class AB Amplifer?+
The best price for In Phase XTB-88A 450W Active Subwoofer with Built in Class AB Amplifer is currently £199.99 from Car Audio Centre. We compare prices across 1 merchant to find you the lowest price.
How do I get notified when In Phase XTB-88A 450W Active Subwoofer with Built in Class AB Amplifer drops in price?+
You can set a free price alert on this page — just enter your email and your target price. We'll email you as soon as the price drops to that level. No account needed.
Is In Phase a good brand?+
We compare In Phase products across multiple UK merchants to help you find the best deals. Check our In Phase brand page for more products and price comparisons.

How we make money

OrganicDiscount is free to use. When you click a link to a merchant and make a purchase, we may earn a small affiliate commission at no extra cost to you. This helps us keep the site running and continue comparing prices across UK retailers. Our rankings and recommendations are never influenced by commission — we always show the lowest price first.