If they are a black sub with a clear and blue sticker that says shockwave on them yea I have.
They were locally made in Michigan as fasr as I know by Hurcane Sound Labs, I don't remember the "shockwaves" as being made by cadence, unless this local company stole the name.
Yes the Shockwaves were made by Cadence, don't know how good they are. I saw a huge system with like 4-15"s and 8's but the guy was pissed cause he had actually destroyed the cones on the subs. He was running all MMATS. Box was tooooo small
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