![Amazon.com: Pyle Home Mini Audio Amplifier - 60W Portable Dual Channel Surround Sound HiFi Stereo Receiver w/ 12V AC Adapter, AUX, MIC IN, Supports Smart Phone, iPhone, iPod, MP3 For 2-8ohm Speakers - Amazon.com: Pyle Home Mini Audio Amplifier - 60W Portable Dual Channel Surround Sound HiFi Stereo Receiver w/ 12V AC Adapter, AUX, MIC IN, Supports Smart Phone, iPhone, iPod, MP3 For 2-8ohm Speakers -](https://m.media-amazon.com/images/I/51vdtbLK0gL._AC_SY580_.jpg)
Amazon.com: Pyle Home Mini Audio Amplifier - 60W Portable Dual Channel Surround Sound HiFi Stereo Receiver w/ 12V AC Adapter, AUX, MIC IN, Supports Smart Phone, iPhone, iPod, MP3 For 2-8ohm Speakers -
What does DC coupled amplifier and AC coupled amplifier exactly mean? What are the differences between them and when to use which one? - Quora
![Schematic diagram of (a) ac amplifier and (b) transistor dc amplifier. | Download Scientific Diagram Schematic diagram of (a) ac amplifier and (b) transistor dc amplifier. | Download Scientific Diagram](https://www.researchgate.net/profile/Feng-Han-5/publication/3218213/figure/fig4/AS:668725741101065@1536448049647/Schematic-diagram-of-a-ac-amplifier-and-b-transistor-dc-amplifier_Q640.jpg)