Will the Monolith 7X damage the Q750?

No. The Monolith 7X is rated for the Q750's 8 Ω load as it comes.

What impedance setting should I use for the Q750 on the Monolith 7X?

None: the Q750 is 8 Ω, and the Monolith 7X needs no change for it.

Is the Monolith 7X powerful enough for the Q750?

More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 21 W per speaker, and the Monolith 7X is rated 200 W per channel. Cinema reference level, 105 dB peaks, takes about 201 W.

Does the KEF Q750 work with the Monoprice Monolith 7X?

Verdict

Yes

The Q750 is 8 Ω, and the Monolith 7X 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

200 W

More than you need. About 21 W gives 95 dB peaks at 2 m

How to connect them

Connect the Monolith 7X's inputs to the pre-outs of your receiver or processor: a power amplifier has no volume control of its own.
Connect each Q750 to one of the Monolith 7X's channels with speaker wire.

Plan the Q750 and Monolith 7X 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 Q750

Impedance: 8 Ω
Sensitivity: 88 dB (2.83 V, 1 m)
Recommended amplifier power: 15–150 W
MSRP: $900 each (MSRP, January 2025)

All Q750 specs and pairings

Monoprice Monolith 7X

Channels: 7
Lowest impedance: 4 Ω
MSRP: $2,000 each (MSRP, September 2026)

All Monolith 7X specs and pairings

Questions about the Q750 and Monolith 7X

Does the Q750 work with the Monolith 7X?: Yes. The Q750 is 8 Ω, and the Monolith 7X is rated for speakers down to 4 Ω, so it drives them as is.
Will the Monolith 7X damage the Q750?: No. The Monolith 7X is rated for the Q750's 8 Ω load as it comes.
What impedance setting should I use for the Q750 on the Monolith 7X?: None: the Q750 is 8 Ω, and the Monolith 7X needs no change for it.
Is the Monolith 7X powerful enough for the Q750?: More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 21 W per speaker, and the Monolith 7X is rated 200 W per channel. Cinema reference level, 105 dB peaks, takes about 201 W.

Swap one of them

References

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

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