AC Adapter Power Supply for Casio CT-625 CT625 Keyboard AC Adapter Power Supply for Casio CT-625 CT625 Keyboard Input Voltage : AC 100-240V; Input Frequency : 50-60Hz. Great for Casio CT-625 CT625 Replacement,US Standard Plug. Compatible with: Casio CT-625 Keyboard. MONEY BACK GUARANTEE -MONEY BACK GUARANTEE - We are Company that wants your Repeat Business so, if You Do Not Like our Product or Don't Want It For Any Reason, We Will Happily Accept The Return and Give Your Money Back. No Questions Asked. 30 Days Money Back Guarantee - 24 Months - Exchange.