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Portable Bluetooth Speaker
ESP32
Audio
Application

Pre-order: SOUNDit_BoomBox

Made by SOUNDit

$80.68

No tax for United States [change]

This is a threshold pre-order. Learn more.

0% of goal
28 days left

Goal: 5 units

Commited: 0 units

Duration: 28 days

Lead time: 56 days

ESP32 Hi-Fi Boombox: I2S Audio & Power Management Suite

This isn't just another ESP32 breakout; it is a fully integrated audio engine featuring dual-channel I2S amplification, smart LED visualization, and a rock-solid power delivery system designed to squeeze every watt out of the MAX98357A.

Technical Specifications

  • Processor ESP32-WROOM Series (Integrated Bluetooth/Wi-Fi)
  • Audio DAC/Amp 2x MAX98357A (Left & Right Channel separation)
  • Output Power 3.2W at 4Ω / 1.8W at 8Ω (per channel)
  • Power Input USB-C with CC Resistor Coding (5V/3A negotiation)
  • LED Peripherals 2x On-board Headers for WS2812B (8 LEDs per strip)
  • Audio Protocol Digital I2S for noise-free transmission

Safety & Power Engineering

To ensure your battery and speakers stay healthy, the circuit includes:

  • OVP (Over-Voltage Protection): Shuts down the rail if a faulty charger is detected.
  • UVP (Under-Voltage Protection): Prevents deep discharge of your Li-ion source.
  • Reverse Polarity Protection: Because mistakes happen.
  • Dedicated 5V Rail: Boosted and filtered to ensure the amps have the headroom they need for peak transients.

Visuals: VU Metering Ready

The board includes dual 3-pin headers specifically mapped for two 8-LED smart strips. Use the provided sample code to turn these into high-speed VU meters that react to the I2S stream in real-time

Links to code and documentation

No additional links provided for this product.

Shipping policy

No information available.

Why run a threshold pre-order campaign?

It is a fine sounding boom box. You just need to add a battery to get audio everywhere you want

The seller

SOUNDit

SOUNDit logo

St. Gallen, Switzerland
0 orders since Feb 7, 2026
Analog/Digital audio projects to make you happy listening to your favourite Artist :)