<p><b>The new improved SUBline</b> incorporates&nbsp;Class D amplification,&nbsp;designed and made in&nbsp;Italy to FBT’s exacting&nbsp;standards, plus switchmode power supplies&nbsp;and DSP presets for&nbsp;accompanying full&nbsp;range enclosures. <br>All&nbsp;models are road-ready&nbsp;with tour-grade birch&nbsp;plywood construction,&nbsp;integrated carrying&nbsp;handles and optional &nbsp;wheels. In addition, in/out stereo connectors aid flexibility, facilitating&nbsp;the use of a single sub in left-right stereo setups.<br><br></p><p> Created with the aim to maximize SPL/SIZE&nbsp;ratio, they have Class D amplifiers, switch&nbsp;mode power supply&nbsp;and Digital Signal&nbsp;Processor with presets&nbsp;to match any other FBT&nbsp;speaker.&nbsp;<br> With IN/OUT stereo&nbsp;connectors, it is&nbsp;possible to use only one&nbsp;subwoofer with Left&nbsp;and Right speakers&nbsp;Optional wheels,&nbsp;ergonomic&nbsp;integrated carrying&nbsp;handles and tourgrade&nbsp;plywood&nbsp;cabinets allow an&nbsp;easy transport&nbsp;</p>