In Phase Car Audio XTB-828R Underseat Subwoofer
In Phase Car Audio XTB-828R Underseat Subwoofer
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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

Capture Every Moment · Premium Cameras · Instant Film · Photography Gear · Free UK Shipping · Shop Now
Capture Every Moment · Premium Cameras · Instant Film · Photography Gear · Free UK Shipping · Shop Now
Capture Every Moment · Premium Cameras · Instant Film · Photography Gear · Free UK Shipping · Shop Now
Capture Every Moment · Premium Cameras · Instant Film · Photography Gear · Free UK Shipping · Shop Now
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In Phase Car Audio XTB-828R Underseat Subwoofer
In Phase Car Audio XTB-828R Underseat Subwoofer
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