X400 V3.0

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X400 V3.0 DAC+AMP Expansion Board - Front
X400 V3.0 DAC+AMP Expansion Board - Back
X400 V3.0 DAC+AMP Expansion Board
X400 V3.0 Aluminum Metal Enclosure
X400 V3.0 Aluminum Metal Enclosure

Overview

This is a redesigned X400 audio expansion board. We have adopted a lot of customer feedback on the previous version. We have made many improvements based on the previous version. I believe you will like it.

X400 V3.0 DAC+AMP Expansion Board

Features

  • Full-HD audio – up to 24-bit/192kHz playback
  • Audiophile TI Burr Brown 32-bit/384kHz DAC (TI PCM5122)
  • Class leading audio; 112db SNR, and THD of 0.0019%
  • Built in High quality Class-D stereo audio amplifier (TI TPA3118D2)
  • Up to 2×30W Into a 8-Ω BTL Load at 24Vdc
  • Capable of driving 4 Ohm speakers (also works with higher impedance speakers)
  • Built in high quality audio headphone amplifier (TI TPA6133A)
  • Uses the Texas Instruments ultra-low-noise voltage regulator (output noise< 10μVRMS)
  • Uses the Texas Instruments high efficiency step-Down DC converter (up to 95%)
  • 6V~26Vdc converted to 5.1V, 3A to power the Raspberry Pi
  • Uses the genuine ALPS RK163 series potentiometer for smooth volume adjustment
  • Built in high quality IR sensor (Vishay -the world's leading supplier of infrared receivers)
  • Onboard RCA connectors
  • Onboard 3.5mm stereo headphone jack
  • Onboard speaker & power screw terminals
  • Onboard 4pin PH2.0 connector allowing to connect a external lighted power switch to control power
  • Onboard gold-plated high-current DC power jack (5.5x2.5mm)
  • Uses the digital I2S audio signals to reduce CPU load over USB audio solutions
  • Connects directly to the Raspberry Pi - No wiring required
  • Powers the Raspberry Pi - no additional power supply
  • Reserved Raspberry Pi GPIO pin header (2x13Pins)
  • Pop-noise can be improved by enabling GPIO control
  • AMP can be enabled / disabled with jumper link

WARNING:

DO NOT APPLY POWER TO YOUR RASPBERRY PI VIA THE PI's MICRO USB SOCKET.

Specification

  • Power supply: 6-26Vdc,( >=3A is recommend)
  • GPIO used : LRCK - IO19, BCK - IO18, DATA - IO21, IR - IO26, AMP mute - IO22
  • Analog audio output level: 2V RMS
  • Headphone max output power: 142mW at 16Ω
  • Amplifier max output power: 2×30W at 8Ω BTL Load at 24Vdc
  • Resolution/Sampling Rate: upto 24bit / 192KHz (Raspberry Pi I2S)
  • PCB size 87 x 56mm

Power Supply Require

DC 6-26V,( >=3A is recommend)

Please refer to DC 19V 2A Power Supply

Packing List

  • 1 x X400 V3.0 Expansion Board
  • 1 x Installation screw pack

X400 V3.0 Aluminum Metal Enclosure

Features:

  • Ultra-compact aluminum chassis
  • All ports and slots of the case can match with Raspberry Pi and X400 perfectly
  • Exhaust holes surface can reach perfect heat dissipation
  • Equipped with 19mm metal latching power switch
  • Equipped with high quality solid aluminum potentiometer Knob
  • Raspberry Pi status LEDs still visible after installation
  • Easy to change the Raspberry Pi OS SD card - Not need to open the case

Packing List:

  • 1x X400 v3.0 enclosure
  • 1x Metal power switch
  • 1x Aluminum potentiometer Knob
  • 4x Screw M2.5 *28mm
  • 6x Screw M3 *6mm
  • 1x 1.5mm hex kety

X400-V3.0-Aluminum-Metal-Enclosure-Installation Guide.jpg

User Manual

More detail please refer to web site

For Volumio

DAC Model: Please choose ST400 or IQAUIDO-dac

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