TPA3116D2 bluetooth 5.0 HIFI Digital Power Amplifier 2.1 High-power Board 12-24V Subwoofer Bass Board

Specification Name TPA3116D2 2 1 high power HIFI digital power amplifier boardChip type TPA3116D2 Chip protection overvoltage undervoltage overheating DC detection and short circuitOperating voltage range DC 12 24V current 4A or more Audio input sensitivity 500 800mV Frequency response range 20Hz 20KHzSpeaker Impedance Left and right channel speakers 3 5 8 OhmBass speaker Impedance 2 8 OhmThe maximum output power 50W left channel 50 W right channel 100 W subwoofer Maximum output power 100w 2 ohm speakers connected Number of channels 2 channel stereoSize 101 100 26mm Packaging Included 1 x TPA3116Digital Amplifier BoardProduct Questions1 Amplifier board has current sound and noise during useMost of our amplifier board use DC power supply The board itself does not produce current sound and noise The main causes of current acoustic noise are A The power supply filter used is not good the current sound is caused by wrong input by the power or audio input B The input signal quality is poor the output of the device connected to the input is improper and the noise is caused by the abnormal input of the audio source C The input cable is of poor quality the line is in poor connect the wiring is damaged the wiring is suspendedD The input connection has other playback devices and some devices share the power supply to cause noise 2 No sound output no sound in 1 channel A The speaker is broken or the speaker cable is not connect well B The inp