About this item Audio Power Amplifier BoardThis amplifier features a power output of 50W+50W and Bluetooth 5.0 wireless connectivity, offering Bluetooth 5.0 input, 2.0 channel stereo output, and minimal sound distortion. It includes treble and bass controls, with additional functions available through the app. Perfect Sound Quality ExperienceEquipped with a powerful audio chip, this amplifier module suppresses AM interference, shields power inductance, and utilizes a low-noise front stage operational amplifier, delivering clear treble and deep bass for an enhanced sound quality experience. Bluetooth 5.0 & AUX InputThis digital amplifier board supports Bluetooth 5.0 wireless input and features a 3.5mm AUX input. The Bluetooth range is up to 15m/49ft, with optimal performance within 10m. It is compatible with audio source devices such as phones, tablets, MP3 players, and TVs, but cannot connect to Bluetooth speakers. Small Size & High Power OutputThe dimensions of this stereo mini power