@freediver
Like you said, compact, highly efficient, and deep bass extension don't go together, and I'd wager more that a seller with no review history who doesn't respond to questions is more likely to be pulling stuff out of their rear for ad copy than to have somehow found a way around Hoffman's Iron Law.
It's easy to build speakers. It's damn hard to build quality speakers at a price the market will bear and to successfully run a business selling them, which is why the industry is littered with so many defunct brands.
Like you said, compact, highly efficient, and deep bass extension don't go together, and I'd wager more that a seller with no review history who doesn't respond to questions is more likely to be pulling stuff out of their rear for ad copy than to have somehow found a way around Hoffman's Iron Law.
It's easy to build speakers. It's damn hard to build quality speakers at a price the market will bear and to successfully run a business selling them, which is why the industry is littered with so many defunct brands.