Phat Beat


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Phat Beat

Phat Beat

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Audio IC Development Tools pHAT BEAT
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The ultimate audio add on for your Pi! pHAT BEAT gives you high quality, digital, amplified, stereo audio and 16 beautiful little RGB LEDs, in two rows of 8, that are ideal as a VU meter, and 6 buttons to control your audio.

We've taken the I2S mono DAC and amplifier that we used on Speaker pHAT and Picade HAT and.


added a second one for stereo goodness. There's a nifty little DIP switch on the bottom of the board that lets you select either mono left and right are blended through both channels or stereo playback.

The clip in terminals make it super simple to wire in your speakers.The two rows of 8 APA102 RGB LEDs make the perfect VU meter, but can be coded to do whatever you wish, like displaying the steps on a step sequencer Drum HAT or Piano HAT, or just pulsing in time with the beat.

The six buttons on the edges of pHAT BEAT are linked direct to GPIO, and can be used for whatever you wish, although we've suggested some uses on the board, like rewind, play/pause, fast forward, volume up and down, and power.

Use pHAT BEAT to create a gorgeous little radio for your desk, to stream music from iPhone with Airplay, or turn it into a collaborative Slack controlled Spotify player for your office!


  • dual I2S DAC/amplifiers for stereo audio MAX98357A
  • 3W per channel
  • 2x push fit speaker terminals
  • DIP switch to select blended mono or stereo modes
  • 16 RGB LED pixels APA102 in 2 rows of 8
  • 6 edge mounted push buttons
  • pHAT BEAT pinout
  • Compatible with all 40 pin header Raspberry Pi models
  • Software installer and ALSA VU meter plugin
  • Python library and installation instructions
  • Female header requires soldering
  • Software

    We've created a nifty one line installer to get your pHAT BEAT set up in the blink of an eye.

    It'll reconfigure your ALSA audio to route it out through pHAT BEAT and install our VU meter plugin to display the volume levels in real time although you can disable this and code the LEDs yourself .


    The dimensions of pHAT BEAT are 65x30x7.

    Phat Beat
    • Dimensions - 65 mm x 30 mm x 7.5 mm
    • Product - Add-On Boards
    • Type - Audio Amplifier
    • Brand - Pimoroni
    • Manufacturer - Pimoroni
    • Product Type - Audio IC Development Tools
    • Standard Pack Qty - 1
    • Subcategory - Development Tools
    • Tool Is For Evaluation Of - MAX98357A
    Mouser does not presently sell this product in your region.