The ones without Bluetooth at all. Most of the audio problems in Bluetooth speakers isn't that they're low end garbage, but because Bluetooth mangles audio.
Regardless of the facts of the matter on fidelity of Bluetooth audio, surely this question:
> What other BT speakers are quantitatively better and cheaper?
(https://hackernews.hn/item?id=17538351) to which you are replying, which explicitly asks a question only about Bluetooth speakers, in no way has this answer: