What Power supply for RPi & AMP2?


I am looking for a recommendation on what power supply (Voltage, Amps,..)would be best for the following setup:

- RPi 2B

- Hifiberry AMP 2

- Running PicorePlayer 6 as squeezeplayer

- Speakers: Set of 2 BOSE 151 Environmental Speakers (https://www.bosebelgium.be/nl_be/products/speakers/stereo_speakers/151-se-environmental-speakers.html)

- The distance between the speakers and the RPi&AMP is about 10m

Currently we are using a DC12V 2Apower supply and at a normal volume, the sound is OK, but when we turn up the volume, the sound starts to crackle and it doesn't sound 'clear' anymore. I have no idea what could be the cause of this. The only thing I can think of is the power supply not being able to provide enough power.

Also, when there is no music being played or during some 'silent moments' in a song, there is a popping sound. I read some articles that this might be a hardware failure. Is that a possibility?


Thanks in advance for your help!


If you need more info, please let me know and I'll try to provide as much as possible.






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