REL HT/1003 MK II SubwooferHT 1003MKII (aka The Hammer) Insane Performance at its Size and Price Buy an HT 1003 MKII if you either dont have the space or dont require the extra output of our larger models. Its that simple. More compact, just as beautiful, it delivers identical build quality to its siblings. Its style makes it an ideal partner in HT 3D REL theatre setups with Serie T x. All new 300W Class D amplifier offers greater headroom and powers a new CarbonGlas 10 (250mm)