Will the Cinema 50 damage the LS50 Meta?

No. The Cinema 50 is rated for the LS50 Meta's 8 Ω load as it comes.

What impedance setting should I use for the LS50 Meta on the Cinema 50?

None: the LS50 Meta is 8 Ω, and the Cinema 50 needs no change for it.

Is the Cinema 50 powerful enough for the LS50 Meta?

Comfortable. From a seat 2 m away, loud 95 dB movie peaks take about 41 W per speaker, and the Cinema 50 is rated 110 W per channel. Cinema reference level, 105 dB peaks, takes about 401 W.

Does the KEF LS50 Meta work with the Marantz Cinema 50?

Verdict

Yes

The LS50 Meta is 8 Ω, and the Cinema 50 is rated for speakers down to 4 Ω, so it drives them as is.

Speaker load

8 Ω speaker, rated down to 4 Ω

Power

110 W

Comfortable. About 41 W gives 95 dB peaks at 2 m

How to connect them

Connect the LS50 Meta speakers to the Cinema 50's front terminals with speaker wire.
Run Audyssey MultEQ XT32 with its microphone at your seat.

Plan the LS50 Meta and Cinema 50 in your own room.

Draw your room in 3D, place both, and see every connection checked and how loud they play at your seat. Designing is free.

Build it in your room

The specs that decide it

KEF LS50 Meta

Impedance: 8 Ω
Sensitivity: 85 dB (2.83 V, 1 m)
Recommended amplifier power: 40–100 W
MSRP: $1,600 a pair (MSRP, September 2026)

All LS50 Meta specs and pairings

Marantz Cinema 50

Amplifier channels: 9
Height formats: Dolby Atmos, DTS:X
Lowest speaker impedance: 4 Ω
MSRP: $2,800 each (MSRP, September 2026)

All Cinema 50 specs and pairings

Questions about the LS50 Meta and Cinema 50

Does the LS50 Meta work with the Cinema 50?: Yes. The LS50 Meta is 8 Ω, and the Cinema 50 is rated for speakers down to 4 Ω, so it drives them as is.
Will the Cinema 50 damage the LS50 Meta?: No. The Cinema 50 is rated for the LS50 Meta's 8 Ω load as it comes.
What impedance setting should I use for the LS50 Meta on the Cinema 50?: None: the LS50 Meta is 8 Ω, and the Cinema 50 needs no change for it.
Is the Cinema 50 powerful enough for the LS50 Meta?: Comfortable. From a seat 2 m away, loud 95 dB movie peaks take about 41 W per speaker, and the Cinema 50 is rated 110 W per channel. Cinema reference level, 105 dB peaks, takes about 401 W.

Swap one of them

References

Specs verified against the manufacturer's published data. Last checked September 15, 2026.

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