This is a Yamaha PSR-79 keyboard/synthesizer with Yamaha Education Suite sampling.
— 49 keys
— stereo onboard speakers
— 1/4″ phones/aux output
— MIDI in/out
— DC- power supply in -12v or battery operated (requires 6 D-cell batteries)
This keyboard is in good condition
The auxiliary output and MIDI output both work.
Many sampled sounds from grand piano to electric pianos, organs, guitar/bass, strings, wind, synths, and drums. A few split keyboard settings. Demo songs. The onboard display illustrates the note(s) being played. Fun keyboard/synth for beginners.