REL HT-Air MKII WirelessDesigned For Excellence Design takes on new significance when it elevates commonplace items to a higher level. So it is with HT Air MKIIs weighty, cubic wireless design that reinterprets the world class form vocabulary of REL subwoofers and brings it home to everyday users. HT Air MKII is built into a cast acrylic case that announces its quality at first heft. Its not heavy for effect, we know that many owners will want to combine it with quality