Bartolini MK1 on board bass preamp. It comes with wired harness including preamp, pots and input jack, you will need to install a battery connector. Controls are Volume/pull up preamp bypass, blend, treble, mid, bass. This was removed from a new Lakland 55-01.
$30 shipped CONUS. Thank you for looking. Please see my other items for sale..... http://www.talkbass.com/forum/f126/f...cheap-1023942/ FS: Seymour Duncan Antiquity Jazz Bass Pickup set NEW!!