Crunch Car Amplifiers Installation Instructions PDF fileRun the wiring so that RCA cables are at least 18“ away from power and speaker cables. or 4-Ohms mono bridged operation except the mono amps All Crunch amplifiers feature a comprehensive diagnostic system, Operating the amp below 1-Ohm can cause damage to the amp not covered in the warranty. Subwoofer Wiring Diagrams | Sonic Electronix A proper subwoofer installation means that the power requirements between the amp and sub match, the impedance between the sub and amp are consistent, and the subwoofer is mounted in the correct box. Using a subwoofer wiring diagram will ensure that the impedance between the Subwoofer Wiring Diagrams — How to Wire Your Subs have a crunch px1000.4 power amp 4 channels and i need to kniw how to wire my 2 500w-250rms 12 I am considering buying and wiring of 3 10" subs at either the 8 ohm or 4 ohm and installing them the way crutchfield wiring diagram shows. my question is the diagram shows the amp at 2.7 ohm is 2 ohm stable amplifier a correct amp to use or must CRUNCH PZX750.2 QUICK START INSTALLATION MANUAL Pdf Summary of Contents for Crunch PZX750.2 Page 1: Before You Start Before you start Chassis Ground Speaker SPEAKER OUTPUT Connections SPEAKER OUTPUT CAUTION The chassis ground connection Using spade terminals,connect Many new and factory radios require a reset code when is critical to the performance the speaker cables to the speaker of the amplifier.