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
CASIO CTK 3400SK WITH ADAPTER (CTK3400SK/CTK-3400SK) I SEAMUSICIAN
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Amazon.com: HQRP Elastic Keyboard Dust Cover compatible with Casio CTK-2090 CTK-2200 CTK-3000 CTK-3400 CTK-3400SK CTK-350 CTK-451 Digital Piano Synthesizer : Musical Instruments