Battery power supply:
This is not intended as an advert, but as a recommendation
Test: rpi4 + ifi Zen DAC headphone amplifier.
The LHY immediately made a positive impact compared to a power bank: More clarity in the presentation, more cleanliness, more composure without becoming boring. It was simply more enjoyable to listen to the music, there was no longer any feeling of strain in playback. Then the WiiM. The same tendency, but not as pronounced as with the rpi.
Connection to DAC: I prefer the optical connection. This is because coaxial does not provide interference-free playback in my setup. I use an optical cable from Mutec. To my ears, the playback sounds cleaner and clearer than with other cables.
All impressions exclusively with playback via headphones.
Edit: Room correction: minim/DLNAserver + convoproxy.
LHY AUDIO BATT-USB Regulated linear power supply on battery 2x 5V 2A - Audiophonics
This LHY Audio BATT-USB regulated linear power supply module uses 4 x 2000mAh 21700 rechargeable batteries (a total of 8Ah) and an ultra-low-noise LDO LT3042 linear voltage regulation chip with D45H11 PNP transistor.
www.audiophonics.fr
Test: rpi4 + ifi Zen DAC headphone amplifier.
The LHY immediately made a positive impact compared to a power bank: More clarity in the presentation, more cleanliness, more composure without becoming boring. It was simply more enjoyable to listen to the music, there was no longer any feeling of strain in playback. Then the WiiM. The same tendency, but not as pronounced as with the rpi.
Connection to DAC: I prefer the optical connection. This is because coaxial does not provide interference-free playback in my setup. I use an optical cable from Mutec. To my ears, the playback sounds cleaner and clearer than with other cables.
All impressions exclusively with playback via headphones.
Edit: Room correction: minim/DLNAserver + convoproxy.
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