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Adjust for PERFECT FITMENT - Subwoofer / Speaker Cutout Holes

When making a subwoofer box or speaker rings we need to cut circles, these MUST fit our speaker perfectly! Tools like the Jasper Circle Guide and Mobile Solutions Perfect Circle work great, but there can be advantages to instead using circle templates on the router. How can we adjust the hole size though from a template? Let's learn in this build technique video!

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- My overview video:

- Get it on Amazon:

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🔨 Tools and Materials:

✔️ Jasper Circle Guide -

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🔊 Want more? Check out these links:

✅Car Audio Tutorial Library:

✅ FREE weekly training program:

✅ Box Designs, BUILD YOUR OWN BOX!:

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