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Green printed circuit board with black audio jacks and a red LED indicator, bare electronic module form factor

NuoTo

NuoTo PCM5122 I2S DAC Module 384KHz 120dB 112dB -93dB 16-32bit

SKU CH-XJM1-EFG77

High-fidelity DAC expansion board for Raspberry Pi B+ and Pi 2 using PCM5122 chip with I2S interface supporting 384KHz sampling, 16-32bit resolution, 120dB SNR, 112dB dynamic range and -93dB THD

  • CPU TypeOther
  • High-resolution 16-32-bit audio with PCM5122 DAC
  • 384 kHz sampling rate captures fine detail
  • 120 dB signal-to-noise ratio for clean playback
  • 93 dB THD keeps distortion extremely low
  • 112 dB dynamic range preserves quiet and loud passages

NuoTo PCM5122 I2S DAC Module

This HIFI DAC expansion board uses the TI PCM5122 chip and connects via an I2S interface. It is designed for Raspberry Pi B+ and Raspberry Pi 2 Model B single-board computers. Makers and audio enthusiasts can add high-resolution playback to custom network players running software such as Volumio or XBMC. The module includes an infrared receiver on GPIO26 for remote control integration.

Check Raspberry Pi model and GPIO26 availability

Verify you are using a Raspberry Pi B+ or Raspberry Pi 2 Model B, as the board is built for those specific models. The I2S interface occupies the standard GPIO header, and the infrared receiver uses GPIO26, so ensure that pin is not required by other hats or peripherals. Two output interfaces are provided for connecting external amplifiers or audio equipment. Confirm your playback system supports I2S audio output before ordering.

Sustained 384 kHz playback with 120 dB SNR

The PCM5122 delivers a signal-to-noise ratio of 120 dB and a dynamic range of 112 dB during continuous operation. Total harmonic distortion remains at -93 dB across the supported 16 to 32-bit resolution range. The green LED indicates active decoding status, allowing you to monitor the DAC workload in real time. Red LED shows stable power delivery throughout extended listening sessions.

Highlights

  • High-resolution 16-32-bit audio with PCM5122 DAC
  • 384 kHz sampling rate captures fine detail
  • 120 dB signal-to-noise ratio for clean playback
  • 93 dB THD keeps distortion extremely low
  • 112 dB dynamic range preserves quiet and loud passages

Specifications

CPU TypeOther

Questions about this item

What comes in the box and what else do I need to use the PCM5122 DAC module?

The box contains one HIFI DAC audio sound card module with I2S interface for Raspberry Pi 2 B+. You must supply a Raspberry Pi B+ or Raspberry Pi 2 Model B and an external amplifier or powered speakers for audio output.

Which Raspberry Pi models work with this 384 kHz PCM5122 board?

The module is designed for Raspberry Pi B+ and Raspberry Pi 2 Model B. It connects via the I2S interface and uses GPIO26 for the infrared receiver.

What does the 120 dB signal-to-noise ratio mean when I play music through this DAC?

A 120 dB SNR with 112 dB dynamic range and -93 dB THD means very low background noise and distortion, so quiet passages stay clean and loud passages remain clear at up to 384 kHz sampling.

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