Output Power: 2 x 5W Power Supply: DC 5V Product Name: PAM8403 Digital Amp AMP Chip: PAM8403 Key benefits and features Two channel stereo amplification from a 5V supply provides up to 5W per channel, suitable for small speakers and compact audio projects. Uses the PAM8403 digital amplifier IC, delivering simple, low voltage operation from a common 5V source. Easy integration with standard audio sources such as Bluetooth adapters, MP3 modules, and microcontroller audio outputs, enabling quick setup for DIY projects. Compact and lightweight design optimized for hobbyist and educational use, making it simple to fit into small enclosures or enclosures with limited space. Minimal wiring complexity: standard left and right audio inputs and corresponding speaker outputs with a 5V power input. Compatibility and usage notes Power can be supplied from any DC 5V source, including USB power banks and USBpowered devices. Designed to work with twochannel stereo audio signals, enabling playback of music, videos, and other stereo content when connected to appropriate audio sources. Suitable for a range of smallscale audio applications where a 5V powered stereo amplifier is needed. Size and form Designed for compact integration in hobby projects and compact enclosures; specific dimensions are not provided here, but the device emphasizes a small footprint suitable for DIY assemblies. Use scenarios Scenario 1: Build a USBpowered mini Bluetooth speaker by pairing a Bluetooth audio receiver with this PAM8403based amplifier and powering from a USB power bank. Scenario 2: Create a compact desktop speaker system for a microcontroller or singleboard computer, providing stereo amplification from a 5V supply for multimedia projects. Scenario 3: Integrate into a portable audio notification system or small DIY speaker enclosure for educational demonstrations, testing audio from DACs, MP3 modules, or other digital audio sources.