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Green rectangular circuit board with two 3.5mm audio jacks and pre-soldered female headers

Pimoroni

Pimoroni PIM544 PICO Audio Pack LINE-Out Headphone AMP development board

SKU CH-BHA1-HXKS6

Stereo audio add-on for Raspberry Pi Pico with PCM5100A DAC, PAM8908JER headphone amplifier, 3.5mm line-out and headphone jacks, and selectable gain

  • 32-bit 384 kHz stereo output via PCM5100A DAC
  • Amplified headphone audio from PAM8908JER stereo amp
  • 5 mm line-out jack for external amps or speakers
  • 5 mm headphone jack with low/high gain switch
  • Pre-soldered headers attach directly to Raspberry Pi Pico

What it is and who it’s for

This Pimoroni development board adds high-quality stereo audio to a Raspberry Pi Pico. It integrates a PCM5100A DAC and a PAM8908JER headphone amplifier on a fully assembled PCB with pre-soldered female headers. Makers and experimenters can output 32-bit, 384 kHz audio through either a 3.5 mm line-out or headphone jack.

Who it suits and who should look elsewhere

Suits anyone building Pico-based audio players, synthesisers or voice projects that need both line-level and amplified headphone outputs with selectable gain. Not for users who require microphone input, digital audio interfaces like I2S input, or a standalone module that works without a Raspberry Pi Pico host.

Audio specification that decides fit

The PCM5100A DAC delivers up to 32-bit resolution at 384 kHz sample rate, driving both the line-out and headphone sockets. This single figure determines whether the board meets your project’s fidelity and bandwidth requirements.

Punti di forza

  • 32-bit 384 kHz stereo output via PCM5100A DAC
  • Amplified headphone audio from PAM8908JER stereo amp
  • 5 mm line-out jack for external amps or speakers
  • 5 mm headphone jack with low/high gain switch
  • Pre-soldered headers attach directly to Raspberry Pi Pico

Caratteristiche tecniche

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Domande su questo articolo

What Raspberry Pi board is required to use the PIM544 Audio Pack?

The board is designed for the Raspberry Pi Pico and includes pre-soldered female headers that plug directly onto the Pico's GPIO pins.

Can I connect passive speakers directly to the 3.5mm line out jack?

The line out jack provides a line-level signal intended for an external amplifier or powered speakers; it will not drive passive speakers on its own.

How can I verify the PCM5100A DAC is outputting audio after connecting the pack?

Plug headphones into the 3.5mm headphone jack, set the gain switch to low or high, and play a test tone; audible output confirms the DAC and PAM8908 amplifier are working.

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