USED AS IS Presonus Studio Channel noinventory Key Features• 61 velocity sensitive keys Key Features• 61 velocity sensitive keys responsive full size keyboard with adjustable touch settings for different playing styles • Hundreds of onboard sounds and styles over 700 voices and 280 accompaniment styles covering everything from pop and rock to Latin and regional music • Automatic accompaniment engine full backing arrangements follow your chord changes in real time for solo performance or songwriting • Built in stereo speaker system 10W per side speakers make it easy to practice or perform without external amplification • USB audio and song playback support play along with MP3s you’ll be able to tailor your Eris Sub8 configuration exactly to your mixing and listening needs compressor and utility racks