So new bass day, bought a Sei bass on the last guitar auctions, always fancied a sei. Went to pick it up today, well, it looks oddly big (my wife is laughing at how big it looks when she picks it up). I must be a longer scale, get the tape measure out.. oh, 43" scale, its a stand up double bass! Anyway, batteries are dead and it takes a while getting them out. Sounds good, and it has a lot of knobs. I am not sure what most of them do yet, but I assume it has a piezo as well as it has two vo