Rockville Rock Shaker 8" Subwoofer? : hometheater
Rockville Rock Shaker 8" Subwoofer? Buying Advice US. Anyone had experience with one of these? Rock Shaker. I can't find a lot of reviews or unbiased info online, maybe this thing is just new? 400w sub for under $90? Too good to be true right? 4 comments. share. save hide report. 50% Upvoted. Log in or sign up to leave a comment log in sign up.