How many speakers does a 2020 Nissan Sentra have?
The standard Sentra audio system is an AM/FM system with four speakers and USB connection port (Type A) for iPod® and other compatible devices.
How do you hook up a amp and sub to a factory radio?
The best way to connect it to a factory system is to tap into the stereo’s speaker outputs for the amp’s input signal. Then send the amp’s outputs back to the stereo’s harness, and on to the speakers through the factory wiring.