Monoprice M7100X

Power amplifier · Monolith series

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The Monoprice M7100X is a 7-channel power amplifier rated 90 W per channel at 8 Ω and 135 W at 4 Ω, for speakers down to 4 Ω. It has no decoding or volume control of its own, so it needs a receiver or processor with pre-outs in front of it.

Only powers speakers. It needs a receiver or processor in front of it.

$650 each (MSRP, September 2026)

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Speakers the M7100X can drive

Each pairing is checked by our compatibility engine: the speaker's impedance against this amplifier's rated minimum, and height decoding for height speakers. Whether it plays loud enough depends on how far you sit, which the 3D editor works out for your room.

Rated to drive them (98)

M7100X specifications

Channels7
Power90 W at 8 Ω
Lowest impedance4 Ω
InputsRCA, XLR
Size17×6×15 in
Power at 4 Ω135 W
Weight17 kg (37.5 lb)
MSRP$650 each (MSRP, September 2026)

Every value comes from the sources under References, last retrieved September 15, 2026.

Questions about the M7100X

How many watts per channel is the M7100X?
90 W per channel into 8 Ω (135 W into 4 Ω), with 7 channels driven, across 7 channels.
Can the M7100X drive 4 ohm speakers?
Yes. It is rated for loads down to 4 Ω.
Do I need a receiver with the M7100X?
Yes. A power amplifier has no decoding or volume control of its own; connect it to the pre-outs of an AV receiver or processor.
What inputs does the M7100X have?
Unbalanced RCA and balanced XLR.
How big is the M7100X?
The Monoprice M7100X measures 431 × 150 × 393 mm (17 × 5.9 × 15.5 in, width × height × depth) and weighs 17 kg (37.5 lb).

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References

  1. Monoprice M7100X: Spec sheet, monoprice.com, retrieved 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.