Three detachable operational amplifiers Audio amplifier operational amplifier, a type of operational amplifier specifically designed for audio amplification, has advantages over the audio rangeGood performance (mainly in frequency response and distortion characteristics, both of which are very important for a good audio amplifier)Good, generally used for pre amplification stages in audio systems; Another type is an audio amplifier, which is a power amplification circuit,A driver stage used for audio systems, which can drive high-power speakers or speakers to produce soundFor ordinary customers, the original operational amplifier is also sufficient,But customers who need better operational amplifiers can purchase and replace them themselves