Will the M7100X damage the Stage 240B?

No. The M7100X is rated for the Stage 240B's 6 Ω load as it comes.

What impedance setting should I use for the Stage 240B on the M7100X?

None: the Stage 240B is 6 Ω, and the M7100X needs no change for it.

Is the M7100X powerful enough for the Stage 240B?

Comfortable. From a seat 2 m away, loud 95 dB movie peaks take about 41 W per speaker, and the M7100X is rated 90 W per channel. Cinema reference level, 105 dB peaks, takes about 401 W.

Does the JBL Stage 240B work with the Monoprice M7100X?

Verdict

Yes

The Stage 240B is 6 Ω, and the M7100X is rated for speakers down to 4 Ω, so it drives them as is.

Speaker load

6 Ω speaker, rated down to 4 Ω

Power

90 W

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

How to connect them

Connect the M7100X's inputs to the pre-outs of your receiver or processor: a power amplifier has no volume control of its own.
Connect each Stage 240B to one of the M7100X's channels with speaker wire.

Plan the Stage 240B and M7100X 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

JBL Stage 240B

Impedance: 6 Ω
Sensitivity: 85 dB (2.83 V, 1 m)
Recommended amplifier power: 20–125 W
MSRP: $330 a pair (MSRP, September 2026)

All Stage 240B specs and pairings

Monoprice M7100X

Channels: 7
Lowest impedance: 4 Ω
MSRP: $650 each (MSRP, September 2026)

All M7100X specs and pairings

Questions about the Stage 240B and M7100X

Does the Stage 240B work with the M7100X?: Yes. The Stage 240B is 6 Ω, and the M7100X is rated for speakers down to 4 Ω, so it drives them as is.
Will the M7100X damage the Stage 240B?: No. The M7100X is rated for the Stage 240B's 6 Ω load as it comes.
What impedance setting should I use for the Stage 240B on the M7100X?: None: the Stage 240B is 6 Ω, and the M7100X needs no change for it.
Is the M7100X powerful enough for the Stage 240B?: Comfortable. From a seat 2 m away, loud 95 dB movie peaks take about 41 W per speaker, and the M7100X is rated 90 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.

Brand names are trademarks of their owners. Not affiliated with or endorsed by any manufacturer. 3D models are our approximations. Prices are manufacturer list prices (MSRP) as of the month shown. How we earn from buy links: affiliate disclosure.