Stock Head Unit Speaker Upgrades: High Sensitivity Audio Guide
Stock car stereos produce minimal wattage. Upgrading speakers requires high sensitivity ratings and low impedance to boost sound clarity without external amplifiers.
In this episode
Factory head units produce only 10 to 20 watts continuous power per channel
Sensitivity ratings of 90 dB or higher maximize volume from weak amplification
Three-ohm impedance draws extra current through thin OEM wiring harnesses
Physical mounting depth and tweeter protrusion determine door panel clearance
Links & resources
Read the full article: Best Car Speakers For Stock Head Unit: High Sensitivity Upgrades
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The skinny
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