Casio Cd-401 Module246 1984 Vintage Digital Watch 1st Databank Calculator for sale online | eBay
CASIO CA-401 - YouTube
Rare Casio CA-401 Tonebank PCM Synth with Stereo Chorus and | Reverb
Casio Ctk-401 Keyboard Synthesizer 49 Keys 100 Sounds & Rhythms With AC Adapter for sale online | eBay
I got this today used! The CasioTone 401: Great keyboard, and the auto accompaniment works a treat. Not to mention the warm colors, and my favorite, the funny button. : r/synthesizers
Casio Casiotone CT-401 Vintage Keyboard Analog Synth Rare Japan No Sound | eBay