Yamaha's Silent Guitars have piezo pickups as well as high quality digital samples of acoustic guitar strings. You can play the sound through headphones or line out, and power them using batteries or its AC adapter.
A beautiful 1964 Fender Jazz Bass guitar - four string. Soap bar shape pickups were designed to produce a more smooth sound for Jazz. This was first instrument to feature a dual tone circuit: So players could alternate between LEAD and RHYTHM with ease