massive sub 8inch slider audioworks

Massive Hippo8v2 8” Subwoofer Frequency Sweep!!! Incredible Throw!!See more

Car Subwoofer Extreme Bass Woofer 8 Inch Car Audio 1,000 WattSee more

Massive Audio BOA 121N SubwooferSee more

Unboxing The Massive Audio Hippo84 v2 8” Subwoofer!!!See more

Massive Audio Hippo 84 demo and thoughts after 1 year of ownershipSee more

Massive Audio Hippo XL 84 8” subwoofersSee more

Adding a $15,000 Sound System to my Mercedes BenzSee more

Two Massive Audio Hippo 8's // Focus RSSee more

3 MASSIVE 8" Subs going HAM - SUMMO84See more

This 8" Hits HARD! Gately Audio Relentless Subwoofer Crazy Excursion in a Clear Acrylic Ported BoxSee more

First Reaction To New SubwooferSee more

100,000 WATTS TO THE FACE👀🥵See more

MTX Audio 12’sSee more

Massive Audio HippoXL84R 8" Subwoofer Unboxing!!!See more

BEST CAR SUBWOOFER🔊| MASSIVE AUDIO 8” 500W RMS SUBWOOFER🔊| SMALL SUBWOOFER WITH POWERFUL BASSSee more

Massive audio hippo xl84See more

(4) 8in Massive HipposSee more

Massive Audio Subwoofers 2018See more

New Subwoofer Enclosure - JBL Charge 4 POWERING 18” SUBWOOFER?See more