About this item Audio Power Amplifier BoardFeaturing a power output of 100W+100W and Bluetooth 5.0 wireless connectivity, this amplifier supports Bluetooth and AUX input, as well as 2.0 channel stereo output with minimal sound distortion. It also includes treble and bass control, with additional functions available through the accompanying app. Please note that when using AUX mode, ensure that the Bluetooth connection is disconnected. Perfect Sound Quality ExperienceThis audio power subwoofer amplifier module is equipped with a powerful audio chip, AM interference suppression, shielding power inductance, and low noise front stage operational amplifier, providing clear highs and deep lows for an enhanced sound quality experience. Treble and Bass AdjustmentThe amplifier board includes independent treble and bass adjustment buttons, allowing you to modify sound directly on the module without the need for a player or speaker. For those who appreciate detailed sound effects, these buttons p