Audio Speaker and Headphone Jack (H07R30)


SKU: H07R30 Category:

Audio Speaker and Headphone Jack

Stage: Alpha

In stock


H07R30 is an audio amplifier and speaker module based on ST TS4990 1.2W audio amplifier and STM32F0 MCU. This module features an on-board 8-ohm rectangular CUI speaker and a headphone output jack. Use this module to play sounds and tunes stored in the MCU embedded Flash or streamed from an external hardware/another module via array ports.



  • ST TS4990IST audio power amplifier:
    • 1.2W output power at VCC = 5V, THD = 1%,
      F = 1kHz, with 8Ω load.
    • 62dB PSRR at 217 Hz in grounded mode.
    • Near-zero pop and click.
  • CUI CDS-15118B 1W, Nd-Fe-B, 8Ω speaker.
  • CUI SJ-3524-SMT-TR 3.5mm, headphone stereo audio jack.
  • 50kΩ potentiometer to adjust audio level (amplifier gain).


  • STM32F091CBU6 32-bit ARM Cortex-M0 MCU.
  • 8MHz external oscillator.
  • Five array ports and six power ports (+3.3V and GND).
  • Access to 5xUART, 2xI2C, SWD, BOOT0, RESET.

Physical Properties

  • Shape: Hexagon
  • Size: 30 mm short diagonal, 17.32 mm side
  • Area: 7.8 cm^2
  • Weight: 3 g
  • Soldermask Color: Dark green
  • Surface Finish: ENIG (gold) or HASL-LF (tin)

Bill of Materials

H07R30 BOM


Frequently Asked Questions

Load More

Have more questions? Please check our main FAQ page and feel free to contact us for any unanswered questions.


  • Schematics (PDF)
  • Hardware Design Files (Circuit Maker)
  • Source Code (Bitbucket)
  • Documentation / Factsheet (PDF)
  • Projects & Examples: Please check our account on Hackaday.io for demo projects and examples.
Contact Us

Have anything to ask? Send us any questions or comments and we will get back to you asap.