The Model 538 and Model 548 are classic organs with outstanding sound and versatility in a small package with internal speakers. The Model 538 has 63 independent organ stops plus an orchestral library of 24 voices, including chimes. It comes with a 27-note pedalboard. The Model 548 offers the same specification in a dark oak case with a 32-note radiating AGO pedalboard. Both offer a complete combination action with four memory banks, built-in record and playback, USB memory storage and much more.