Amazon.com: OMNIHIL 8 Feet AC/DC Power Adapter Compatible with CASIO CTK- 3400SK, CTK-3500, CTK-4400, CTK-5200 Power Supply Charger Adaptor : Musical Instruments
I bought a used CASIO CTK-3400SK keyboard it makes a "click" sound when I release the keys, affecting the sound quality during recordings. I don't know how to solve this problem and
HQRP 887774412021582 Elastic Keyboard Dust Cover for Casio CTK-2090 CTK-2200 CTK-3000 CTK-3400 CTK-3400SK CTK-350 CTK-451 Digital Piano Synthesizer