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Raspberry Pi X20-XLR Hifi Audio Kit (X20-XLR ES9028Q2M Board + X10-I2S Board + X10-PWR Power Supply Board)
Raspberry Pi X20-XLR Hifi Audio Kit (X20-XLR ES9028Q2M Board + X10-I2S Board + X10-PWR Power Supply Board)
Raspberry Pi X20-XLR Hifi Audio Kit (X20-XLR ES9028Q2M Board + X10-I2S Board + X10-PWR Power Supply Board)
Raspberry Pi X20-XLR Hifi Audio Kit (X20-XLR ES9028Q2M Board + X10-I2S Board + X10-PWR Power Supply Board)
Raspberry Pi X20-XLR Hifi Audio Kit (X20-XLR ES9028Q2M Board + X10-I2S Board + X10-PWR Power Supply Board)
Raspberry Pi X20-XLR Hifi Audio Kit (X20-XLR ES9028Q2M Board + X10-I2S Board + X10-PWR Power Supply Board)

    Raspberry Pi X20-XLR Hifi Audio Kit (X20-XLR ES9028Q2M Board + X10-I2S Board + X10-PWR Power Supply Board)



      1. This audio kit is designed for Raspberry Pi 3 (3B+/3B), and the X10-I2S Board is connected to Pi 3 by the USB connector. Please refer to the picture shows.
      2. This kit is also fit for Raspberry Pi 4, but due to the change of Pi 4 USB port, the USB connector is invalid and you need to use a USB Type A to Type A cable to connect Raspberry Pi 4 and X10-I2S Board.
      3. In short, if the kit includes a X10-I2S Board and use with Raspberry Pi 4, you need to prepare a USB Type A to Type A cable to replace the USB connector.

      WIKI for reference:

      X20-XLR DAC Board
      Key Features:

        X10-I2S BOARD XMOS USB TO I2S/SPDIF/Coaxial
        Key Features:

        • The XMOS xCORE-AUDIO Hi-Res family of parts
        • Deliver precise output with low noise/distortion for soothing, high-quality sound
        • Ideal HiFi audio solution for Raspberry Pi
        • Streamed through Raspberry Pi to I2S, DSD and/or S/PDIF interfaces
        • PCM up to 32bit /384 KHz sample rates (see notes)
        • Native DSD, DoP64 and DoP128 (see notes)
        • Up to 192 kHz, 16/24 bit resolution S/PDIF output
        • Asynchronous Isochronous transfer from Raspberry Pi
        • Multiple OS support (Volumio, Moode Audio Player, Windows, Android etc)
        • SiTime SiT8208 ultra performance oscillator
        • Texas Instruments ultra-low-noise voltage regulator


        • Power supply: +5Vdc +/-5%
        • CODEC: I2S 16, 24, or 32 bit PCM, DSD64 and DSD128
        • PCM sample rates : 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384KHz
        • Optional S/PDIF output : Up to 192 KHz; 16/24 bit resolution
        • PCBA size : 101.5 x 56mm x 34.5mm, PCB size : 85 x 56mm
        • Notes: Not applicable for X10-DAC.  PCM up to 24bit /192 KHz sample rates when works with X10-DAC.

        Hardware Installation
        Note: you need to get a R-core transformer yourself
        Or you can buy one online, please refer to: X10-RTR Power Supply Unit

        IMPORTANT !!!(Read Me)
        Connect the R-core transformer to the X10-PWR board

        1. Make sure all ports on terminal block are open (Turn clockwise to tighten, counter-clockwise to loosen). 
        2. Insert wires into the terminal block in the correct order.
        3. Tighten down the screws the wires you have inserted. Try pulling each wire out of terminal block in order to insure that they are fastened securely.

        White - White : 15VAC 0.55A
        Yellow - Yellow : 15VAC 0.55A
        Brown - Brown : 6VAC 0.5A
        Grey - Grey : 6VAC 2.58A

        Power Supply Unit 35W R-CORE transformer:
        IMPORTANT !!!
        AC voltage Selector
        110V : AC input voltage MUST be 110~120VAC
        220V : AC input voltage MUST be 220~230VAC

        a) Make sure that you know what voltage is being supplied by the power outlet before setting the voltage selector switch and before connecting the power cord.
        b) To switch the selection, unplug the power cord and use a small screwdriver to slide the switch to the opposite position.


        Before pressing the power button:
        a) All AC output wires to the X10-PWR board are wired in the correct order.
        b) The power cable from X10-PWR board to Raspberry Pi pin header are correctly connected.
        c) The AC input voltage selector switch are correctly switched.


        Software Configuration


        Volumio (Version: 2.368)


        Select the“PLAYBACK OPTIONS”menu, Turn off "I2S DAC" and select "xCORE-AUDIO Hi-Res 2" under“Output Device.” Then reboot and you are done.


        Moode Audio Player (Version: 3.1)


        Simply select the“Configure”menu, select "MPD" under "configuration settings", then select "USB audio device" under "Audio device", Then click “APPLY" and reboot.



        1. All orders will be shipped within 48 hours on receipt of cleared payment on Woking Days. (From Moday to Friday in 24-48 hours as usual, Except for Chinese legal holidays or big holidays or Weekend)
        2. We ship the orders from China, now due to the impact of COVID-19, all the shipping way will have delay include fast shipping way like DHL, the delivery delay is really out of our control, hope to get your understanding and patience.
        3. If you need faster shipment, please choose DHL or EMS or FedEx IP etc(Shipping fare paid by yourself). Or we will deliver via the default method of standard shipping.(Usually by China Post Registered Air Mail with tracking number if the order ammount is more than $9.99); Please contact us to calculate the shipping cost by faster shipping way like DHL, EMS or FedEx...
        4. Please make sure that your shipping address is 100% correct with full name and a right phone number included, the phone number is very important in the shipping address.
        5. We ship items to worldwide with delivery time guarantee. Please understand the unexpected delay during the international shipping.
        6. We usually declare a lower value for all orders to avoid the cutoms tax for our customers, but the buyer still need to do customs clearance themselves if it's a requirement by the destination country.

        [Return & Refund Policy]

        1. If you didn't receive your product after 6 months or it is significantly different to the description, we guarantee to resend new or refund your payment. But due to the shipping delays of international shipment, we hope to get your understanding and wait for some more time.
        2. We provide resend or refund or store coupons for the item you received was substantially different from the item represented on the product detail page.
        3. For the item you received was damaged or defective,please take photos of original package with shipping labels, package weight, package items details as proof to send us to find solutions,thank you!
        4. It is better to reject the package if you find it obviously broken and ask for compensation from your local post office.
        5. We accept any unused item in its original package as return within 7 days of delivery. Buyers must pay for the return shipping fee, provide the tracking number, specific reason for the return.
        6. If buyer's reason lead to the return package due to fail delivery in destination country, the buyers need to pay for resend shipping fee and we deduct shipping fee before issue refund.
        7. We will refund to buyer after we receive the return packages in its original condition package with no items missing. Or buyers could choose to have a replacement.
        8. We accept to refund or resend new for our customers as product quality problem. But for the product value above $30, buyer must return the product to get a refund, the return shipping cost should be negotitated between the buyer and seller as this is a international shipping.
        9. As our products belongs to DIY products, it really need some DIY skills and professional knowledge, also there will be the risk of failure for your DIY projects which may cause your loss such as one or two device burnt or defective due to not proper operation. We can be reponsible for exchange new one or repair for the defective products which you bought from us, but you must send back us the defective product to us and also pay for the return shipping cost. The buyer must bear the shipping cost of return for exchange. We only accept to exchange after we get the defective products received. As it is international shipping, it usually will take a longer time for your return package, please understand about this.


        Geekworm products on the website all support a wholesale price if you need large quantities. You can send us your request about the item you need, item quantities, destination country of shipment. Then we will send you our lowest price according to item quantities, and the shipping cost also will be calculated according to the quantities you need.


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