Siblings in KEF's LS series, so they share a family sound. It comes down to size, output and price.
| Area | Better | Why |
|---|
| Bass | B | KEF LS LUXE digs deeper - 42Hz against 79Hz. |
| Built-in power | B | KEF LS LUXE has the bigger amplifier (380W vs 230W RMS). |
| Connections | A | KEF LS50 Wireless adds Bluetooth, Wi-Fi, streaming and digital inputs; KEF LS LUXE adds HDMI. |
| Size | depends | Similar cabinet size - neither is easier to fit. |
| Expandability | A | KEF LS50 Wireless: a sub output. |
| Price | A | KEF LS50 Wireless is cheaper - $2,200 against $4,000, about 45% less; arguably a different class. |
A KEF LS50 Wireless B KEF LS LUXE
depends neither is better in the abstract - it turns on your room, your system or how you will use them. Only specs published for both speakers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
Neither runs away with it - they trade advantages. Let the "depends" rows and your own room settle it. If a subwoofer is in your plans, the bass gap largely stops mattering - you would be crossing over above 79Hz anyway, which makes the cheaper KEF LS50 Wireless much easier to justify. Think about the whole system, not just the speakers: the roughly $1,800 saved by taking the cheaper pair would buy a subwoofer or a better amplifier, and either usually does more for the sound than the difference between these two.
And remember what a spec sheet cannot show: how each looks in your room and whether the finish suits it, what dealer support and warranty are like where you live, and how they actually sound to you. If you can hear them first - ideally with your own music - that will tell you more than any number above.