Sealed VS Ported Enclosure? We Test Each Subwoofer Box with Decibel Meter Using My Daughters Stereo!

An interesting car audio experiment using my daughters sound system (my oldschool Rockford Fosgate setup) to illustrate the decibel difference between a sealed enclosure vs a ported enclosure to see how much output is gained between the two setups using an SSA APM-1 dB meter.