this is a 2001 shchevy tahoe, 30,000 watts and subwoofers along with other things that are really loud. the song is by morrison. thrash -- >> whou! wow! >> that's really amazing for him, because he can feel the bass. >> you can see how excited he is right here. and he's almost like nodding his head to the beat of the song, too. >> seems like she in fact hearing it. >> right. >> we've been around the cars where you can feel it. you feel rumbling in your chest. they play another song by morrison called "rockin'" and watch his hair. he's outside the car now. keep an eye on his hair and beard. >> are you kidding me? holy moly! >> at the end, the guy is super thankful for this bass demo that steve put on for him and tells him, of all the people, you're the best. you won. >>> it's been a while. to russia! keep an eye on this dashcam and see what's coming at this guy. whoa! >> what is that? >> a boat? >> a boat. >> a canoe? >> it's a boat. like an aluminum boat that flies off the car heading in the opposite direction. hits, slides down the road and, crash. >> that probably did some damage. >>