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==FAQ==
<span style="color:Black;font-weight:bold">Q1. Will the Alu case affect the WIFI?</span>
A: As our test, 2.4G WIFI AP was usable. But different Raspberry Pi individuals have different degrees of WIFI interference. As well as aluminum alloy case will interfere with pi 4’s WIFI to a certain extent. So it is strongly recommended to use ethernet or 5G AP.
<span style="color:Black;font-weight:bold">Q2. Will this work with ropiee?</span>
A: It works with RoPieee just pick "Audio HAT: IQandIO Pi-DAC(+/PRO/Zero)" and I using Spotify and it playing real good sounds very good. （from the feedback of buyer)
<span style="color:Black;font-weight:bold">Q3.Use the latest version of Raspbian, the os can not see the DACPi</span>
A: If the line 'dtoverlay=iqaudio-dacplus' does not work, please try to use this line 'dtoverlay=rpi-dac'.（from the feedback of buyer)
<span style="color:Black;font-weight:bold">Q: What should I do if encounter an error message: Failed to open "alsa" (alsa)？</span>
A:
# Only 5 wires are connected to PI 4, so pls make sure that the connection between X950 DAC and PI 4 is well and reliable.
# Pls make sure that the Pi 4 firmware has been burned completely.
# Make sure the configuration in VOLUMN is correct.
# Do not use X950, just use the official firmware of Raspberry Pi 4 to check whether the Pi 4 motherboard is working properly.
# If you have the official dac of Raspberry Pi 4, you can also use it to test the firmware
The last two are elimination methods to eliminate some problems.
==User Manual==