The proper voltage utilization is essential for any car audio system. Knowing how much power is being produced by your amps, subs, etc can be the difference between you having a bumping system, and you blowing subs to quickly. External Regulators are great for voltage utilization and power distribution, especially if you have a high powered alternator.
In this video, JP goes over the importance of an External Regulator.
Mechman Alternators have a great external regulator on the market, which is available at down4soundshop.com in the link below.
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Adjustable External Regulator W/ 2 Pin Alt Harness
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![](https://i.ytimg.com/vi/_LfI1z9wGRA/maxresdefault.jpg)