Key benefits HiFi sound with clear detail and no audible noise. Circuit optimization ensures clean output even at the maximum power. Strong power with flexible supply. Uses the TPA3116 chip; with a 12V 5A supply, maximum power can reach 50 W. Actual stereo output is 30 W per channel into 4 ohms. Wide input options for versatile connectivity. Supports 3.5 mm stereo input, USB audio input, Bluetooth 5.0, RAC input, TF card, and USB input with OTG compatibility. Connectivity and compatibility 3.5 mm stereo input for easy wired connections to players and devices. USB audio input and USB OTG input for direct computer or OTGenabled device connections. Bluetooth 5.0 for wireless audio streaming with compatible devices. RAC input for legacy or additional analog sources. TF card input for standalone playback from memory cards. Power specifications Amplifier: TPA3116 chip. Maximum power: up to 50 W total with 12 V 5 A supply. Actual output: approximately 30 W per channel into 4 ohms. Use scenarios Home stereo setup: pair with bookshelf or small floorstanding speakers to create a compact hifi system with multiple digital and analog input options. Desktop or mobile integration: connect to a computer, laptop, or OTGenabled device via USB or Bluetooth for improved PC audio or portable listening. DIY or custom audio projects: integrate into a custom speaker enclosure or small audio enclosure to deliver reliable stereo amplification with flexible input choices.