Monoprice M7100X

Monolith series

The Monoprice M7100X is a 7-channel power amplifier rated 90 W per channel into 8 Ω, for speakers down to 4 Ω. It has no volume control or decoding, so it goes after a receiver or processor with pre-outs.

Channels
7
Amplified
Power
90 W
Per channel, 8 Ω
Power at 4 Ω
135 W
Per channel
Lowest speaker load
4 Ω
As rated

$650 each (MSRP, September 2026)

3D model of the Monoprice M7100X

Drag to turn it. Built from the published dimensions, not a photo.

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Which speakers work with it?

What decides it is the speaker's impedance, in ohms (Ω) on its spec sheet. The M7100X is rated for speakers down to 4 Ω.

  • Works

    Speakers rated 4–8 Ω

    98 in our catalogue

All 98 speakers we checked

Works98

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M7100X specifications

Channels
7
Power
90 W at 8 Ω
Lowest impedance
4 Ω
Inputs
RCA, XLR
Size
17×6×15 in
Power at 4 Ω
135 W
Weight
17 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

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