DP1 TPA3116D2 2.1 Digital Power Amplifier Board 50W*2+100W Subwoofer No Bluetooth

Feature 1 This board is specially designed for home and car 2 1 systems With passive 2 1 speakers it can get shocking and lifelike live effects and it can also achieve high fidelity 2 0 HIFI music playback 2 The core of the board is super quiet but because this board does not have a shell good power and signal lines are essential It is best to wear the knob or connect to the signal ground otherwise the direct touch of the board or potentiometer will induce interference sound 3 95 of the people said that the power is enough and 5 of the people are not enough for the standard power Please check the power of the power supply in your hand If you only have a 12V 2A power supply board the evaluation that you get is definitely insufficient 12X2A 24W The power supply is not strong and the power amplifier cannot output enough energy Remember it is recommended to get enough power and the power supply must be 16V 4 7 or aboveFunction 1 The total capacity of the capacitor is increased to close to 10000UF 4700UFX2 which can make the signal to noise ratio better the low frequency strength is good and the energy source is continuous 2 Rich adjustment options adjustable subwoofer frequency adjustable left and right channel high and low sounds 3 Redesigned low pass filter stronger subwoofer thrust4 Fever low loss red ring inductor output5 4 pieces of NE5532 fever operational amplifier is the current stage low pass and other amplification6 No external power