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 CTK-401 Music Keyboard - 49 Key Piano - YouTube
MATRIXSYNTH: VTG CT-401 Casio Casiotone 401
Casio Casiotone 401 | Sound Programming
Casio DW-401 Skywalker for $410 for sale from a Private Seller on Chrono24
MATRIXSYNTH: VTG CT-401 Casio Casiotone 401
Vintage Casio 401 LB611 24 mm Lithium Quartz Watch for Women – Vintage Radar
Amazon.com: 6ft Extra Long AC Adapter Replacement for Casio CTK-401 CTK401 Keyboard Power Supply Cord Charger : Musical Instruments
Casio Cd-401 Module246 1984 Vintage Digital Watch 1st Databank Calculator for sale online | eBay