Will the M7100X damage the Stage 245C?

No. The M7100X is rated for the Stage 245C's 6 Ω load as it comes.

What impedance setting should I use for the Stage 245C on the M7100X?

None: the Stage 245C is 6 Ω, and the M7100X needs no change for it.

Is the M7100X powerful enough for the Stage 245C?

More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 11 W per speaker, and the M7100X is rated 90 W per channel. Cinema reference level, 105 dB peaks, takes about 101 W.

Does the JBL Stage 245C work with the Monoprice M7100X?

Verdict

Yes

The Stage 245C 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

More than you need. About 11 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 245C to one of the M7100X's channels with speaker wire.

Plan the Stage 245C 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 245C

Impedance: 6 Ω
Sensitivity: 91 dB (2.83 V, 1 m)
Recommended amplifier power: 20–150 W
MSRP: $440 each (MSRP, September 2026)

All Stage 245C 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 245C and M7100X

Does the Stage 245C work with the M7100X?: Yes. The Stage 245C 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 245C?: No. The M7100X is rated for the Stage 245C's 6 Ω load as it comes.
What impedance setting should I use for the Stage 245C on the M7100X?: None: the Stage 245C is 6 Ω, and the M7100X needs no change for it.
Is the M7100X powerful enough for the Stage 245C?: More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 11 W per speaker, and the M7100X is rated 90 W per channel. Cinema reference level, 105 dB peaks, takes about 101 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.