ProKeys Sono 88 User Guide introduces ProKeys Sono 88 features, including accessories, keyboard, built-in audio interface, minimum system requirements, standalone operation, bus-powered operation, controls and connectors.
The ProKeys Sono 88 is a semi-weighted, velocity-sensitive 88-key digital piano that also functions as a USB-compatible MIDI controller and a built-in audio interface. It allows users to play on-board premium keyboard sounds as a standalone instrument or record performances via a computer using the included software.
The device supports both standalone operation with an optional power supply and bus-powered operation when connected to a PC or Mac via USB. Key features include 7 high-quality voices, General MIDI sound sets, layer mode for playing two voices simultaneously, on-board reverb and chorus effects, and various assignable controls such as modulation wheels, pitch bend, and transpose buttons.
| Keyboard Type | 88 semi-weighted, velocity sensitive keys |
|---|---|
| Polyphony (Stereo) | 20 notes maximum |
| Audio Interface Resolution | 16-Bit, 44.1 kHz |
| Maximum Polyphony (Standalone) | 40-note maximum polyphony |
Standalone operation requires an optional 9V, 500mA center-positive power supply or a USB-type power supply.
The peak LED illuminates when the incoming audio signal is clipping, indicating that the Microphone Gain knob should be turned down.