KeyStudio 49i User Guide, this guide introduces the features and characteristics of KeyStudio 49i, including connection methods, function configuration, MIDI functions, etc.
The KeyStudio 49i is a 49‑key, velocity‑sensitive USB keyboard that also functions as an audio interface with XLR, 1/4" instrument and RCA inputs, plus stereo outputs. It can operate bus‑powered via USB or with an optional 9 V DC supply, and includes built‑in piano sounds and reverb.
This guide covers hardware connections, driver installation for Windows and macOS, detailed descriptions of controls and connectors, audio and MIDI setup, advanced editing functions, technical specifications, troubleshooting tips, and warranty information.
| Sampling rate | 44.1 kHz |
|---|---|
| Microphone SNR | -96 dB |
| Frequency response (mic) | 20 Hz – 20 kHz, ±0.5 dB |
| Pre‑amp gain (mic) | 41 dB |
| Polyphony | 20 notes |
The keyboard is class‑compliant and can be connected directly to a PC or Mac via the USB port; drivers are optional but improve performance.
The keyboard supports 20‑note polyphony.