The OKY3462-3 is an audio amplifier module manufactured by OKYSTAR. It has an integrated circuit (IC) of PAM8403 and a nominal power supply voltage of 2.5V to 5.5V DC. The module has a size of 29.5x20.2mm. It is a low-power audio amplifier capable of driving 2.2W into an 8 ohm loads with a 5V power supply. It features low noise, low distortion, and high efficiency and is suitable for mobile and multimedia applications. It also features a shutdown mode and a soft-start circuitry enable operation for applications requiring efficient power management.