The PAM8403DR-H Audio Amplifiers 3W STEREO FILTERLESS CLASS-D AUDIO AMP is a dual-channel digital amplifier manufactured by Diodes Incorporated. It features a low quiescent current of 40 mA (at VCC = 5V). The device also has a high voltage operation of 6V to 12V, as well as an integrated low-pass filter that helps reduce supply noise from the output. The output power is 2.7W per channel when VCC is 5V and 5W/channel when VCC is 8V. It also has both single- and dual-supply operation. The PAM8403DR-H also comes with a shutdown pin that can be used to reduce power consumption when the device is not in use. It is ideal for portable devices, such as speakers, as well as car audio systems, and other audio applications.