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
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
