Fluance Ai61 vs Polk Audio Signature Series S15 Bookshelf Speakers

I love having the super lows of my sub, but I feel like if I change my crossover to let in higher frequencies it gets muddy (cheap sub with big port) so I want some speakers that can really respond quickly and really kick. Ideally at about 120w a channel. For reference I tried some Fluance Ai61's thinking they would do it, but I was thoroughly unimpressed and now I'm wary of bookshelf claims. Or if you have sub recommendations that can do this I'm open to alternatives

In fact, this is an evolution above the tri-laminate material, which they've used forever. On the bottom here, we have a five and a quarter inch woofe...

That is a half-decent speaker. Connectors around there are good, nothing loose about that. See, this is what I was worried about. I've had a speaker w...

In a sea of wireless all-in-one Bluetooth speakers for the great outdoors or your smart home, the Fluance Ai61 speakers ($299.99) stand out for their classic design approach and support for both wired and wireless playback. The bookshelf-style speakers delivers natural and detailed audio, with true stereo separation—an increasingly rare quality. They aren't perfect, however, as some aspects seem a bit more outdated than retro, namely subpar Bluetooth codec support and the reliance on a physical remote instead of a companion app

I mean 229 dollars nowadays can buy really good mini monitors like Elec or Elec B5 or like you know some other manufacturers offering good sounding mi...