What's wrong with the electric drum in the hotel stereo?

Does the subject want to ask, "Is there a current sound in the hotel stereo because of the electronic drum?" The reasons are as follows.

1. The vibration of iron core caused by alternating magnetic field will produce mechanical noise. Choosing good quality products is the best way to prevent noise.

2, the volume is too large, there will be noise. You can turn it down.

3. Electrical appliances have been used for a long time. By replacing low-noise components or reducing the workload of components.