can someone tell me what's wrong here. So my friend gave me his old Casio CTK-240 for me to practice with, but the problem is that the speakers aren't working. I can
Casio CTK-240-FA 49 Keys Portable Digital Piano Keyboard with Adapter, – JG Superstore
Casio CTK-2400 61-Key Premium Portable Keyboard Package with Samson HP30 Headphones, Stand and Power Supply - Walmart.com
The Sounds on this Keyboard Surprise Me! Amazing Casio CTK 240 - YouTube