I love mine, just jammed it last night. When you say Passive, this guy is passive. It needs a lit of amp but it sounds awesome. And fun to play.
Fretless Club #612 (Lakland 44-02), Fender Jazz Club #633 (American Standard Jazz), Traben Club #71 (Chaos Core 4), Musicman SUB, Fender ABG29, Prometeus Fretless, G&L L2000