Raspberry Pi X5500 HiFi DAC+AMP Expansion Board Support X876/X710/X850/X862

User Manual: https://wiki.geekworm.com/X5500

[For Use With]

• Raspberry Pi 4 Model B
• Raspberry Pi 3 Model B+
• Raspberry Pi 3 Model B
• Raspberry Pi 2 Model B
• Raspberry Pi 1 Model B+

[Operating System]

• Moode Audio Player
• OSMC
• Openelec
• Raspbian Jessie
• Volumio
• Pi Core Player

[Key Features]

• Full-HD audio – up to 24-bit/192kHz playback
• Audiophile ESS Technology Sabre premier stereo DAC ES9023
• ES9023 delivers jitter-free studio quality audio with 112dB DNR
• Built in High quality Class-D stereo audio amplifiers (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)
• 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
• Onboard pluggable speaker screw terminals
• Onboard XH2.54 connector providing 5V output to power other devices
• Uses the digital I2S audio signals to reduce CPU load over USB audio solutions
• Pop-noise can be improved by enabling GPIO control
• AMP can be enabled / disabled with jumper link

[Specifications]

• Power supply: 6-26Vdc，≥3A recommended
• GPIO used : LRCK - IO19, BCK - IO18, DATA - IO21, IR - IO26, AMP mute - IO22
• RCA Analog audio output level : 2V RMS
• Amplifier max output power: 2×30W at 4Ω BTL Load at 24Vdc
• Resolution/Sampling Rate: upto 24bit / 192KHz (Raspberry Pi I2S)
• PCB size 85 x 57mm

Note: Don't power your Raspberry Pi via the Pi's 40-pin header and Type-C or Micro USB socket at the same time.

[Application]

• Compatible with X862 for M.2 SATA SSD storage expansion, additional M2.5*8 M/F spacers required (not supplied)

[Packing List]

• 1x X5500 Expansion Board
• 8x Screw M2.5 *6mm
• 4x Spacer F/F M2.5 *20mm

FAQ
Q1: What kind of power supply does X5500 use?
A: X5500 use DC 6V~26V widht voltage input, 55x25 jack;

Q2: How to solve the heat dissipation problem?
A: Please refer to here: embedded armor aluminum alloy heatsink can solve your problem.

Q3: Does x5500 support safe shutdown?
A: YES， You can use X710 to achieve safe shutdown function.

Q4: Does X5500 support hdd/sdd storage function?
A: Yes, you can use X825/X857/X862/X872/X829 etc. to get storage function.

Q5: Is there a matching case to support X5500?
A: No yes, we look forward to your feedback, we will consider making a shell according to the needs of users.