Schematik raised $4.6M to help anyone build hardware with AI$4.6MIL PRE-SEED ANNOUNCEMENT
CommunityPartsBlogAbout
CommunityPartsBlogAbout

Product

  • Home
  • Try Schematik
  • Download

Resources

  • Community
  • ESP32 projects
  • Blog
  • Press
  • Information for AI

Compare

  • Schematik or Fritzing
  • Schematik or Tinkercad
  • Schematik or Wokwi
  • Schematik or Claude Code

Company

  • Company
  • Jobs
  • Privacy
Making
hardware
less hard

Built with love in Europe. For makers everywhere.

© 2026 Schematik

All rights reserved

  1. Parts
  2. /Audio
  3. /Audio boards

JustBoom Amp HAT Kit

OverviewWiringAlternates
JustBoom Amp HAT Kit - JustBoom - 107060001

Plug-and-play Raspberry Pi HAT kit with a high-quality stereo amplifier (192 kHz / 32-bit audio), push-fit speaker terminals, and all GPIO pins still accessible. Works with Max2Play for multi-room audio, internet radio, or streaming.

Parts tray full · 5 max · remove a part to add another
JustBoom Amp HAT Kit — JustBoom — 107060001

Offers

  • ?DigiKey$8.49
  • Seeed Studio$154.90

Offers

  • ?DigiKey$8.49
  • Seeed Studio$154.90

Pinout

Logical pinout · physical placement not verified
JUSTBOOM AMP HAT KIT5VGPIO213V3L+GNDL−GPIO18R+GPIO19R−
  • 5V
    Type · Power
  • 3V3
    Type · Power
  • GND
    Type · Ground
  • GPIO18
    Type · GPIO
  • GPIO19
    Type · GPIO
  • GPIO21
    Type · GPIO
  • L+
    Type · Signal
  • L−
    Type · Signal
  • R+
    Type · Signal
  • R−
    Type · Signal
PinType
5VPower
3V3Power
GNDGround
GPIO18GPIO
GPIO19GPIO
GPIO21GPIO
L+Signal
L−Signal
R+Signal
R−Signal
Logical pinout · physical placement not verified
JUSTBOOM AMP HAT KIT5VGPIO213V3L+GNDL−GPIO18R+GPIO19R−

Pin details

10 connections
  1. 5V
    Power
  2. 3V3
    Power
  3. GND
    Ground
  4. GPIO18
    GPIO
  5. GPIO19
    GPIO
  6. GPIO21
    GPIO
  7. L+
    Signal
  8. L−
    Signal
  9. R+
    Signal
  10. R−
    Signal

Start wiring

UART · I2S · Module

Verify supply voltage and logic levels before powering up.

Module pins: 5V, 3V3, GND, GPIO18, GPIO19, GPIO21, L+, L−. Schematik maps them to your board in the app.

Audio boards

50 other options

Adafruit Audio FX boards and WAV Trigger for standalone playback, DFPlayer Pro and Gravity MP3 for MCU-scripted audio, EasyVR for speech recognition, Fermion/Gravity voice recorders, and Pi I2S DAC/codec boards.

View all 50
  • Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger 16MB Flash visual preview

    Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger 16MB Flash

  • Adafruit Audio FX Sound Board - WAV/OGG Trigger with 2MB Flash visual preview

    Adafruit Audio FX Sound Board - WAV/OGG Trigger with 2MB Flash

  • Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger -16MB visual preview

    Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger -16MB

  • Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi - Mini Kit visual preview

    Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi - Mini Kit

  • Adafruit Music Maker FeatherWing - MP3 OGG WAV MIDI Synth Player visual preview

    Adafruit Music Maker FeatherWing - MP3 OGG WAV MIDI Synth Player

  • Adafruit PCM5100 I2S DAC with Line Level Output visual preview

    Adafruit PCM5100 I2S DAC with Line Level Output

    $3.95
  • Adafruit PCM5102 I2S DAC with Line Level Output visual preview

    Adafruit PCM5102 I2S DAC with Line Level Output

    $4.95
  • Adafruit PCM5122 I2S DAC with Line Level Output visual preview

    Adafruit PCM5122 I2S DAC with Line Level Output

    $7.50
  • Adafruit TLV320DAC3100 I2S DAC with Headphone and Speaker Out visual preview

    Adafruit TLV320DAC3100 I2S DAC with Headphone and Speaker Out

    $6.95
  • ASR Board for Arduino visual preview

    ASR Board for Arduino

  • Audio Adaptor Board for Teensy 3.0 - 3.6 visual preview

    Audio Adaptor Board for Teensy 3.0 - 3.6

    ?
  • Audio Adaptor Board for Teensy 4.0 visual preview

    Audio Adaptor Board for Teensy 4.0

    ?

Related groups

4 groups
2030 Cavity Speaker Type B, 8Ω 2W (2PIN PH1.25) visual preview

Buzzers & speakers

Passive speakers from 1 W to 20 W (4–8 Ω), piezo buzzers active and passive, bone-conductor and surface transducers, and a BOSON buzzer module — all need a matching driver circuit or amplifier.

Audio · Buzzers & speakers · 23 parts

6+1 Microphone Array visual preview

Microphones

MAX4466 and MAX9814 electret preamp breakouts for analog audio, I2S MEMS mics (ICS-43434, SPH0645LM4H, INMP441) for digital audio, PDM breakouts, ReSpeaker arrays for far-field pickup, and an LM386 sound detector.

Audio · Microphones · 17 parts

3W Mini Audio Stereo Amplifier (W2) visual preview

Amplifiers

MAX98357A and MAX98357 I2S class-D amps, PAM8403 and TPA2012 analog stereo amps, MAX9744 20W stereo amp, LM386 and PAM8302 mono amps, and discrete op-amp packs for signal-level work.

Audio · Audio amplifiers · 15 parts

1.75mm PLA (1kg) - Black visual preview

3D printing

DFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.

Tools & prototyping · 3D printing · 53 parts