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frontpageTattyBear | Staff posted Yesterday 9:09 PM

Monoprice Monolith M2100X 2x90W Per Channel Home Theater Power Amplifier

$200

$400

50% off
+ Free S&Hat Monoprice
6 Comments
3.8K Views
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Deal Details
Monoprice has Monoprice Monolith M2100X 2x90W Per Channel Home Theater Power Amplifier (43863) on sale for $399.99 - 50% with promo code MOVE50 in cart = $199.99. Shipping is free.

Thanks to Deal Hunter TattyBear for sharing this deal.

Details:
  • 2 Channels of Amplification
  • 90 Watts Per Channel into 8 ohms
  • Unbalanced RCA Inputs
  • XLR Inputs
  • 3RU Height
  • Class AB Amplification
  • 3 Year Replacement Warranty

Editor's Notes

Written by SaltyOne | Staff
  • Rated 4.7 out of 5 stars from customer reviews.
  • This price matches our recent Frontpage Deal.
  • At the time of this posting, our research indicates that this is $120 lower than the next best comparable online prices starting from $319.99.

Original Post

Written by TattyBear | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Monoprice has Monoprice Monolith M2100X 2x90W Per Channel Home Theater Power Amplifier (43863) on sale for $399.99 - 50% with promo code MOVE50 in cart = $199.99. Shipping is free.

Thanks to Deal Hunter TattyBear for sharing this deal.

Details:
  • 2 Channels of Amplification
  • 90 Watts Per Channel into 8 ohms
  • Unbalanced RCA Inputs
  • XLR Inputs
  • 3RU Height
  • Class AB Amplification
  • 3 Year Replacement Warranty

Editor's Notes

Written by SaltyOne | Staff
  • Rated 4.7 out of 5 stars from customer reviews.
  • This price matches our recent Frontpage Deal.
  • At the time of this posting, our research indicates that this is $120 lower than the next best comparable online prices starting from $319.99.

Original Post

Written by TattyBear | Staff

Community Voting

Deal Score
+21
Good Deal
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Price Intelligence

Deal History

Post Date Sold By Sale Price Activity
07/27/26Monoprice$200
Frontpage
52
07/03/26Monoprice$200
Frontpage
33
10/06/25Monoprice$300
Frontpage
32
11/22/24Monoprice$296
Frontpage
72

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6 Comments

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Pro
Yesterday 11:28 PM
3.2K Comments
Joined Sep 2016
vid1900
Pro
Yesterday 11:28 PM
3.2K Comments
Repost:

https://slickdeals.net/f/19814787-monolith-2x90wpc-2x135-4-amp-m2100x-199
2
Today 1:06 AM
29 Comments
Joined Nov 2013
bsandwichToday 1:06 AM
29 Comments
Quote from vid1900 :
Repost:https://slickdeals.net/f/19814787-monolith-2x90wpc-2x135-4-amp-m2100x-199
edit: still active
Today 2:12 AM
73 Comments
Joined Sep 2017
llvsixaxisvllToday 2:12 AM
73 Comments
Is this good to power passive speakers for a turntable? Or does that require soaking specific? I'm just getting into the hobby
Today 2:22 AM
702 Comments
Joined Jun 2007
kingchickenToday 2:22 AM
702 Comments
Asking the pros here. My current setup is Yamaha RX-A1070 with Klipsch RP8000F as fronts. Will I get noticeable improvement in performance if adding this to drive the fronts via preouts? Alternatively I could use this to drive 2 surround backs and free those to bi-wire the fronts with the receiver. Do you think either will improve current set up meaningfully? Thank you!
Today 3:32 AM
708 Comments
Joined Jan 2021
bweiherToday 3:32 AM
708 Comments
Quote from llvsixaxisvll :
Is this good to power passive speakers for a turntable? Or does that require soaking specific? I'm just getting into the hobby
This amplifier doesn't include a way to adjust the volume so you would want a way to do that, most typically by acquiring and using a pre-amp. That said, for $200 this is a pretty decent amp that should work well for a long while.
Today 5:59 AM
24 Comments
Joined Jun 2018
ssaketToday 5:59 AM
24 Comments
Quote from kingchicken :
Asking the pros here. My current setup is Yamaha RX-A1070 with Klipsch RP8000F as fronts. Will I get noticeable improvement in performance if adding this to drive the fronts via preouts? Alternatively I could use this to drive 2 surround backs and free those to bi-wire the fronts with the receiver. Do you think either will improve current set up meaningfully? Thank you!
I am not an expert, but I use a 9.1.4 configuration with an Emotiva amplifier to power all bed-layer speakers, while Kef Q950 and Q650C units serve the front stage. That amplifier connects to a Marantz Cinema 40, and I noticed a slight improvement in the four ceiling speakers which are the only speakers my AVR powers. After installing the amp, I asked my wife whether she could hear a change, and she could not. I have not tried bi-amping, though opinions on that vary. That said, if you can afford this at the price, consider it and power your left and right channels, since you can ensure 90 W of output. Your receiver delivers 110 W with two channels driven, but once you add center and surround channels, you are certainly not receiving that power. Whether you hear a meaningful difference is something only you can decide. Good Luck.

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