Noises and crackels with DAC on Raspberry

Hi guys,
I have a problem with playing my music on raspberry.
My setup:
Rpi4
Iqaudio Dac Pro
7“ Display
SSD connected at USB
Raspberry power supply
Picoreplayer

I must say that i listen to music only via headphone.

The problem is that when music changes to next song i can hear some crackles and noises.
What i have tried to solve the problem:
Another DAC (innomaker, there are also the crackles but not as loud as the iqaudio)
Another power supply
Other systems like volumio and max2play
Take off the display
Take of the SSD and put on a usb stick with one album on it.

Nothing has solved the problem.

Is there anybody who can help me?

Greetings Daniel