Get Eddie Van Halen's classic chorus sound suped up! Based on the legendary chorus unit that Eddie used on some of his most classic recordings from the early 1980s. It has a simple three knob setup - volume, tone and intensity - with input and output level pad switches, mono and stereo outputs, and an internal True/Buffered bypass switch for modern rig flexibility. Powered by 9 volt battery or AC adaptor (ECB003).