QUOTE(Lurker @ Jan 6 2025, 08:33 PM)
unsure how it works, are u saying can use dobly/atmos as what TS posted without paying?
Dolby Atmos "modules" are simply bookshelf/satellite speakers that are designed with an angled baffle and a crossover (that must be within Dolby's specs) to match. These are designated as "up-firing speakers" where you place them on-top of your bed channels (front L/R and surround L/R). They were all the hype and fud back in 2017-2019, before soundbars adopted it too. Up-firing speakers only work when you have a single seating position, have a low ceiling (optimally no more than 8ft) and must have a flat and completely reflective ceiling surface, so no ceiling fans or any fancy "cloud diffusers". The idea was that people don't want to drill holes in their ceiling or high up on their wall, so this was the best solution Dolby came up with.
Actual height channels that Dolby uses in commercial cinemas are mounted on the ceiling. Any half decent home theater will either use in-ceiling speakers or on wall height speakers. These speakers can be anything, ranging from bookshelves to individual drivers without cabinets (in-ceiling) or if you're crazy enough, go hang towers on the ceiling.
QUOTE(Skylinestar @ Jan 6 2025, 11:02 PM)
for upward firing mode, a different crossover is involved. different from normal on-wall speaker crossover. some speaker spec/description/manual talk about this change of crossover. a lot of them don't.
here's an example from Klipsch RP-500SA II that shows the switch:
https://www.klipsch.com/intl/products/rp-50...-sound-speakersoh yes, that dolby logo = dolby tax

for the Wharfedale D300 on wall speaker, no info in the manual about the switch:
https://www.wharfedale.co.uk/wp-content/upl...anual-90722.pdfhttps://www.wharfedale.co.uk/d300-3d/does that mean there is no switch?
the manual doesn't have the word Atmos though. where is dolby tax?

Yes well aware of the Klipsch.
I was trying to find info on the D300 spec sheet and no where does it say it has a crossover designed for Dolby's "up-firing" mode like you pointed out. So yeah I think it's simply down to volume of production on these height speakers for its higher price vs its other brothers.