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    X20-XLR HiFi AUDIO KIT Hardware
installation
  Software
configuration
 
         
   
   
         
   
         
 
    Product Overview 
     
For Use With
- Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B
Operating System
- Moode Audio Player
- OSMC
- Openelec
- Raspbian Jessie
- Rune audio
- Pi Core Player
   

Key Features &
Specification
   
  X20-XLR BOARD
- ESS Technology flagship DAC chipset (ES9028Q2M) for best sound quality
- Balanced XLR outputs
- 129dB DNR -120dB THD+N
- 32bit/384kHz Bit to Bit Playback & Native DSD Playback (Use with our XMOS I2S module)
- Dual JRC MUSES8920 high quality Audio J-FET input dual OP AMP
- Ultralow phase noise 100MHz HiFi TCXO
- Texas Instruments ultra-low-noise voltage regulator
- Dedicated individual DVCC, AVCCL, AVCCR, Oscillator 3.3V power supply
- Selected high quality components (Panasonic low ESR aluminum electrolytic capacitor, Gold-plated XLR connectors etc)
- Can connect to our XMOS USB-to-I2S module directly
- Can be used individually with only 3 wire I2S signal connected from other i2s interface
- All dual OPAMP in single dip8 package IC can be used
- High performance and compact Raspberry Pi DAC solution for everyone
   
  Specification
- Power supply: +5Vdc ±5%, +15Vdc ±5%, -15Vdc ±5%
- Resolution/Sampling Rate: Up to 24bit / 192KHz (Raspberry Pi I2S)
                                              Up to 32bit / 384KHz (Use with XMOS USB to I2S board)
                                              DSD64 /DSD128 (Use with XMOS USB to I2S board)
  PCBA size : 101.5 x 56mm x 34.5mm, PCB size : 85 x 56mm
   
  X10-PWR  POWER SUPPLY BOARD
   
- Fully regulated linear power supply board for X10 / X20 series DAC
- Texas Instruments ultralow noise TPS7A470x regulator
- Four individual 5.2V/ 5.0V/-15V/+15V to power the Raspberry Pi (1), DAC chipset and OPA
- High performance ELNA and Nichicon Audio Purpose Capacitors
- For use with R-core transformer
   
  Specification
- Input rating : 6VAC ±5% 2.5A, 6VAC ±5% 0.5A, 15VAC ±5% 0.55A, 15VAC ±5% 0.55A
- Output voltage:5Vdc ±5% 2.5A, 5Vdc ±5% 0.5A, +15Vdc ±5% 0.5A, -15Vdc ±5% 0.5A,
- PCBA size : 85mm x 56mm x 50.5mm, PCB size : 85 x 56mm
   
  Notes (1) :
Low voltage indicator might show up during boot, it does not affect audio performance.
  WARNING:
DO NOT APPLY POWER TO YOUR RASPBERRY PI VIA THE PI's MICRO USB SOCKET.
 
   
  X10-RTR R-CORE TRANSFERMER
   
- For use with X10-PWR power supply board
- High quality 35W R-core transformer
- Equipped with AC voltage selector switch convenient to select 115/230Vac input
- Lighted power switch
- Equipped with detachable power cord
- Full aluminum chassis
   
Specification
- Input : AC110 / 230V ~50 / 60Hz
- Output: 6VAC ±5% 2.5A, 6VAC ±5% 0.5A, 15VAC ±5% 0.55A, 15VAC ±5% 0.55A
- Size 118m x 93mm x 59mm
   
  X10-I2S BOARD XMOS USB TO I2S/SPDIF/Coaxial
 
- 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
- Native DSD, DoP64 and DoP128
- 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
   
  Specification
- 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
   
     
    X20-XLR KIT-A
 
       
Model No. Qty Box Contents  
X20-XLR 1
  XLR board ES9028Q2M  OPA-MUSE8920 1 pc
  Brass Hex Threaded Spacer M2.5x30mm M/F 4 pcs
X10-PWR 1
  Linear Power Supply Board 1 pc
  Brass Hex Threaded Spacer M2.5x20mm M/F 4 pcs
  Stainless Steel Screws M2.5x6mm 8 pcs
  RPI Power Cable 1 pc
 
X10-I2S 1
  XMOS USB Audio Interface Board 1 pc
  USB Jumper Board 1 pc
  Brass Hex Threaded Spacer M2.5x20mm F/F 4 pcs
  Stainless Steel Screws M2.5x6mm 8 pcs
 
     
 
   
X20-XLR Board   X10-PWR Supply Board   X10-I2S XMOS I2S Board
 
     
      X20-XLR KIT-B
 
       
Model No. Qty Box Contents  
X20-XLR 1
  XLR board ES9028Q2M  OPA-MUSE8920 1 pc
  Brass Hex Threaded Spacer M2.5x30mm M/F 4 pcs
X10-PWR 1
  Linear Power Supply Board 1 pc
  Brass Hex Threaded Spacer M2.5x20mm M/F 4 pcs
  Stainless Steel Screws M2.5x6mm 8 pcs
  RPI Power Cable 1 pc
 
X10-RTR 1
  Power Supply Unit 35W R-CORE transformer 1 pc
  Power Cord (US / UK / EU) 1 pc
 
X10-I2S 1
  XMOS USB Audio Interface Board 1 pc
  Brass Hex Threaded Spacer M2.5x20mm F/F 4 pcs
  Stainless Steel Screws M2.5x6mm 8 pcs
 
     
 
   
X20-XLR Board   X10-PWR Supply Board   X10-I2S XMOS I2S Board
         
 
X10-RTR R-core Transformer        
         
 
     
    Optional Accessories
     
 
     
       
X10-RTR Power Supply Unit
  - For Board Kit A  
  - High quality R-core transformer  
  - Output 15Vac x2 + 6Vac x2  
  - 115/230Vac voltage selector  
  - Full aluminum chassis  
  - Lighted power switch  
       
 
     
     
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