Zn-401s Manual ((better)) -

The Korg ZN-401s is a 64-voice digital synthesizer that features a wide range of sounds, effects, and features. It's a versatile instrument suitable for music production, live performances, and sound design.

“The ZN-401S is designed to filter noise. However, user discretion is advised. Prolonged exposure to the device may result in the operator hearing the machine’s thoughts. If the machine speaks, do not answer.” zn-401s manual

Specifically, it listened to machines.

"I fixed you," Elias said aloud, his voice cracking in the silent room. The Korg ZN-401s is a 64-voice digital synthesizer