Synthesizer Control InterfaceKeyboard Number of Keys - 88, Type - FSX Keyboard, Initial Touch - Yes, Aftertouch - Yes Tone generatorMaximum Polyphony - AWM2: 128 (max.; stereo/mono waveforms) FM-X: 128 (max.), Effects - Reverb x 12 types, Variation x 76 types, Insertion (A, B) x 76 types*, Master E..