![Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Casio CTK-330 Keyboard - US Plug : Musical Instruments Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Casio CTK-330 Keyboard - US Plug : Musical Instruments](https://m.media-amazon.com/images/I/61O-qsP4YqL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Casio CTK-330 Keyboard - US Plug : Musical Instruments
![BERLS 9V Power Supply Adapter for Casio Piano Keyboard CTK Series CTK-120 CTK-330 CTK-491 CTK-515 CTK-551 CTK-630 CTK-700 etc. - AliExpress BERLS 9V Power Supply Adapter for Casio Piano Keyboard CTK Series CTK-120 CTK-330 CTK-491 CTK-515 CTK-551 CTK-630 CTK-700 etc. - AliExpress](https://ae01.alicdn.com/kf/HTB1SkGptrorBKNjSZFjq6A_SpXa0/BERLS-9V-Power-Supply-Adapter-for-Casio-Piano-Keyboard-CTK-Series-CTK-120-CTK-330-CTK.jpg)
BERLS 9V Power Supply Adapter for Casio Piano Keyboard CTK Series CTK-120 CTK-330 CTK-491 CTK-515 CTK-551 CTK-630 CTK-700 etc. - AliExpress
![CTK-330 Keyboard Help! I just got myself this vintage beauty, but I can't find: 1. how to transpose? 2. what are the "power modes for"?? any help would be much appreciated. : CTK-330 Keyboard Help! I just got myself this vintage beauty, but I can't find: 1. how to transpose? 2. what are the "power modes for"?? any help would be much appreciated. :](https://i.redd.it/s3yyf3jx1rq71.jpg)