hello from the uk, this is my golf gti built to compete in propper droppers which tests 20hz,25hz,33hz,40hz with the sensor on the headrest..
here's some pictures of the new box and scores
20hz 148.1db
25hz 149.6db
33hz 150.1db
40hz 149.7db
peak 34hz 150.5db
avg 149.6db
Thanks for viewing