Input Voltage: 220V-240V
Input impedance:47 kohm
If there is any confuse,please contact with us prior,we will help you to solve the problem.
Note:There are many fake MS-10D in other markets,we do not have any other companies that are authorized to resale this item.So please be careful, only buy from Nobsound on Amazon
Some products may meet grinding volume knob problems as a result of tight installation.In that case,please pull out the plastic knob from the potentiometer and re-sit. This should fix the grinding problem 99% of the time. If there is any confuse or technical problems,please contact with us prior,we will help you to solve the problem until you are satisfied.