Yamaha's entry into the sampler market after a long absence from said market. The A3000 is a very expandable 16 bit sampler. It has 64 note polyphony, 3 chainable, DSP based, digital effects units, built in SCSI, and 5 realtime control knobs on the front of the unit.
Each sample can have 4 band EQ. The effects processors have 54 unique effects.

The A3k Central A3000 FAQ is here:
http://www.teklab.com/a3k/FAQ/index.html