Audio Amplifier Board Portfolio

PUI Audio amplifier boards enable quick, efficient speaker testing and serve as turnkey, ready-to-integrate audio amplifier solutions for larger system designs

Image of PUI Audio Audio Amplifier Board PortfolioThe PUI Audio amplifier board portfolio offers 1 W to 15 W of output power using Class AB and Class D amplifier circuits, delivering maximum signal fidelity with low THD+N while operating from low power supplies. These boards enable quick and efficient speaker testing and serve as turnkey, ready-to-integrate audio amplifier solutions for larger system designs.

Features
  • AMP2X1
    • Stereo 1 W (8 Ω), 2 W (4 Ω) per channel
    • BTL outputs
    • MAX9710 Class D amplifier
    • <1% THD (at rated POUT)
    • Analog input
    • Built-in short-circuit (SCP) and overtemperature thermal protection (OTP)
  • AMP2X2
    • Stereo 2 W (8 Ω), 4 W (4 Ω) per channel
    • BTL outputs
    • MAX9744 Class D amplifier
    • <1% THD (at rated POUT)
    • Analog input
    • Built-in SCP and OTP
    • Short-circuit to GND or VSUPPLY
  • AMP2X15
    • Single-ended and differential inputs with stereo BTL or mono parallel BTL outputs
    • 15 W Class D amplifier TPA3110D2
    • Built-in overcurrent protection (OCP) and OTP
  • AMP1X1
    • Mono 1 W (8 Ω), 2 W (4 Ω)
    • BTL output
    • MAX98309 Class AB amplifier
    • <1% THD (at rated POUT)
    • Analog input
    • Built-in SCP and OTP
    • Short-circuit to GND VSUPPLY or between the amplifier outputs
  • AMP1X2
    • Mono 2 W (8 Ω), 4 W (4 Ω)
    • BTL output
    • MAX9768 Class D amplifier
    • <1% THD (at rated POUT)
    • Analog input
    • Built-in SCP and OTP
    • Short-circuit to GND or VSUPPLY
Applications
  • PUI Audio amplifier boards are purpose-built to aid and assist engineers in prototyping audio solutions for a multitude of applications
  • Pairing with PUI Audio speakers for simplified testing, eval, or design-in
Published: 2026-03-13