Developer of the first automotive class-D amplifier with digital input, ST supplies audio power amplifiers to the most important automotive audio makers for both premium sound systems and head units.

We offer a broad product portfolio covering all multi-channel requirements and continue to develop innovative solutions to always ensure the best sound quality combined with maximum energy efficiency and advanced features.

  • High amplification efficiency ratings
  • Robust automotive design with integrated protection against overstress conditions, such as short-circuits, electrostatic discharge (ESD), load dump, or over-temperature
  • A very advanced diagnostics processor
  • A proprietary feedback loop architecture, addressing the need for lower system cost and electromagnetic emissions
  • Fully digital processing
  • Ability to drive very low impedance speakers (as low as 1 ohm)
  • Compliance with stop/start and hybrid engine standards


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