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In Phase

Car Audio XTB 828R Underseat Subwoofer

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GamingKit
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£140.60
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Price history

Tracked since 24th Oct 2026
Price unchanged since 24th Oct 2026

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About this product

The In Phase Car Audio XTB 828R Underseat Subwoofer is stocked by 1 shop we compare on Shopperazzi. Listed prices start at £140.60.

The In Phase Car Audio XTB-828R Underseat Subwoofer is a passive radiator equipped active sealed subwoofer enclosure. Hit really low frequencies and experience true bass accuracy not normally found in bog-standard active subwoofer. Equipped with an all weather glass fibre woven cone 20cm (8") drive unit. paired with a passive radiator in sealed enclosure technology. it provides deep and controlled bass frequencies. Its built-in 400W class D amplifier offers high power handling and numerous controls.XTB-828R has high and low level inputs that can be plugged with after market and OEM headunits.This FOUR-in-one enclosure reduces overall dimensions while offering a great bass level. This comes complete with a wiring kit apart from RCA cables. If fitting to an aftermarket headunit. you will need RCA cables

Product details

Brand
In Phase
MPN
XTB-828R
GTIN
05060801411080
Condition
New
Category
Default Category>PC Components>Other>Default Category>Direktek

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