The Z-series amplifiers have been carefully designed to make adding an amplifier to your system straight forward and simple.  This series combines our High Level Input and Auto Turn-On circuitry to ensure that you can easily add an amplifier to your factory head unit.  Our selectable Input Voltage circuit also give you to ability to connect to a new aftermarket head unit if you decide to upgrade without the need to purchase a new amplifier.  So whether you are designing an entire new system, or just building things up piece by piece, Z-Series has you covered