Disconnect the negative battery. Then that harness plugs into your car.

How To Hook Up A 4 Channel Amp To Front And Rear Speakers
How to amplify car speakers. Running the amps output wires to the wires on the adapter harness is how you avoid having to run new speaker wiring throughout the car. Take out your cordless power drill and steel. We strive for 5 star service with every customer experience. Get some decent speakers. Unless your car costs six figures the chances are high that your factory stereo has speakers made out of paper. In need of a car audio system in nashville brentwood madison or antioch contact the experts at cartronics.
Look along the firewall and see if there is a good spot to run your power wire through. Car audio can be complicated. 100 gets you a unit with a built in amplifier 17w per channel and an interface for connecting your phone. Thats the bottom side of the triangle in the photo speaker wires from the amp connect to the speaker wires on the adapter harness. While you could buy an amplifier you wont save money that way vs. Buying a simple car radio.
Amplifier with a range of 20 top 60 hz gives you bass feelings it likes that you feel more than you hear250 to 500 hz makes the audio clear and provides clear instrumental bass. It also offers a convenient way to change the volume instead of having to unlock the phone and messing with a touchscreen. 30 step one is a no brainer. Raise the hood on your vehicle and look to see which side your battery is located on. Some vehicles have places. Our team of mecp certified installation technicians and fabrication specialists are among the best the industry has to offer.
For your car speakers you should buy an amplifier ranging from 20 hz to 20000 hz.