X400
Contents
Overview
This product is be sold out, now the new version v3.0 is released, please refer to X400 V3.0.
This is the raspberry pi hifi audio expansion board, and it use TI PCM5122 chip, can bring you high quality music enjoyment.
Match Power Supply
Please refer to DC 19V 2A Power Supply
KEY FEATURES
Input Voltage:
- 6V to 24Vdc converted to 5V, 3A via step-down DC/DC converter to power the Raspberry Pi
Audio:
- Full-HD audio – up to 24-bit/192kHz playback
- Class leading audio; 112db SNR, and THD of 0.0019%
- Audiophile TI Burr Brown 32-bit/384kHz DAC (TI PCM5122)
- Uses the digital I2S audio signals to reduce CPU load over USB audio solutions
- Integrated hardware volume control
- Mute can be enabled / disabled via jumper
- Built in High quality audio headphone amplifier (TI TPA6133A)
- Earphone AMP can be enabled / disabled via jumper
- Built in High quality Class-D stereo audio amplifier (TI TPA3118D2)
- Up to 2 x 20W into 4 ohm
- AMP can be enabled / disabled via jumper
- Phono/RCA connectors
- 3.5mm stereo audio jack
- Speaker terminals
Wireless:
- Built in IR sensor (38KHz)
Misc:
- Power output socket
- DIP switch to remove connection from RPi’s pin header
- Directly connected on top of the Raspberry Pi using the board GPIO header pins
- No wiring nor soldering is required
- Duplicated the 40-pin header of the R-Pi in order to support existing expansion boards
- Suitable for Raspberry Pi Model B+ and Raspberry Pi 2 Model B NEW!
User Manual
For Volumio (On volumio 2.444)
Save & reboot
Now you can enjoy your music;
Configuring Raspbian to include sound card support
#Update Raspbian on the SD card to be the latest available.
pi@raspberrypi ~ $ sudo nano /boot/config.txt
#add the following comments
dtoverlay=iqaudio-dacplus
#To remove the standard Raspberry PI audio card, comment out the {dtparam=audio=on} device tree parameter in your /boot/config.txt and reboot.
pi@raspberrypi ~ $ sudo nano /boot/config.txt
# Enable audio (loads snd_bcm2835)
#dtparam=audio=on
#Flush your filesystem changes and reboot the Raspberry Pi
pi@raspberrypi ~ $ sync
pi@raspberrypi ~ $ sudo reboot
#Once restarted SSH into the Pi and check that the audio drivers / card is available to ALSA.
pi@raspberrypi ~ $ aplay -l
#If the IQaudIO board and drivers have been installed correctly you should see something similar to:
pi@iqaudio ~ $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: IQaudIODAC [IQaudIODAC], device 0: IQaudIO DAC HiFi pcm512x-hifi-0 []
Subdevices: 0/1
Subdevice #0: subdevice #0
More detail refer to Page 31 of File:IQaudIO.pdf
FAQ
1.Can you use the RCA's as inputs?
Yes, you can try to use the RCA as input in theory. but pls put the DAC (PCM5122) in "mute" mode. (But we do not suggest you use the RCA as input, if so, the DAC will be no output.)
2.Does this X400 V3.0 have analog input?
No, when you use X400 v3.0 with Raspberry Pi , there is no analog input, but if you do not use Raspberry Pi, the RCA port can be used as analog input.
3.If you connect a power switch to the board's connector should it be a momentary or latching switch? also, does it shut down the pi or just the dac?
The X400 v3.0 board use the latching switch, the latching switch shut down both the Pi and DAC.
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