The Ultimate Bass/Subwoofer Tester HD 720P

Ultimate Bass Test in HD!
Great way to blast those subs!
Beyrdyamic DT990 (Fiio E07K/E09K) = PASS
ATH M50 = PASS
Sennheiser HD555 (w/595 Mod) = PASS
Logitech Z-2300 = PASS