Explore complete amplifier circuits: power amps, preamps, tone control & more. Includes circuit diagrams with PCB & step-by-step explanations.. Looking to upgrade your system? My detailed guide provides great info and diagrams on how to hook up an amp and subs for the best sound and power.

Here's a step-by-step guide to installing a car amplifier, including how to run the cables through your car and how to wire the amp.. The V+, V- and 0V to each of the amplifier boards are twisted tightly together. These wires come directly off the filter capacitors - note carefully how this is drawn in the diagram Keep the speaker output wire from the amplifier board to the output terminal as short as practical