YAMAHA 61 FULL SIZE KEYBOARD Tone Generator AWM2 with Expanded Articulation / Polyphony 128 notes Wave 355MB (when converted to 16-bit linear format), 2,670 waveforms Voice Preset - 1,024 Normal Voices + 64 Drum Kits / GM - 128 Normal Voices + 1 Drum Kit A/D Conversion 24-bit, 64x oversampling D/A Conversion 24-bit, 128x oversampling