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expired Posted by TattyBear | Staff • May 15, 2023
expired Posted by TattyBear | Staff • May 15, 2023

16" Monoprice Monolith THX Certified Ultra 2000 Watt Powered Subwoofer

+ Free Shipping

$1,760

$2,300

23% off
Monoprice
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Deal Details
Monoprice has 16" Monoprice Monolith THX Certified Ultra 2000 Watt Powered Subwoofer (42031) on sale for 2069.99 - 15% off with promo code MONOLITH15 = $1759.50. Shipping is free.

Thanks to Deal Hunter TattyBear for finding this deal.

Product Features:
  • The Monolith 16" THX Certified Ultra 2000‑Watt Powered Subwoofer sets the standard for bass output, low distortion, and reference level bass.
  • A newly designed 16" driver coupled with a DSP controlled, 2000‑watt RMS, 3800+‑watt peak power amplifier, brings a new dimension in low frequency, bass performance to any home theater system
  • Dimensions (LxWxH) 28.1" x 22.0" x 25.6" (715 x 560 x 650 mm)
  • Weight 171.6 lbs. (77.8 kg)

Editor's Notes

Written by citan359 | Staff
  • About this deal:
    • Promo code valid through May 24th,
    • While supplies last
  • About this product:
    • 5 Year Replacement Warranty
    • 4.8 out of 5 stars rating at Monoprice based on over 22 customer reviews
  • Additional Note:

Original Post

Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Monoprice has 16" Monoprice Monolith THX Certified Ultra 2000 Watt Powered Subwoofer (42031) on sale for 2069.99 - 15% off with promo code MONOLITH15 = $1759.50. Shipping is free.

Thanks to Deal Hunter TattyBear for finding this deal.

Product Features:
  • The Monolith 16" THX Certified Ultra 2000‑Watt Powered Subwoofer sets the standard for bass output, low distortion, and reference level bass.
  • A newly designed 16" driver coupled with a DSP controlled, 2000‑watt RMS, 3800+‑watt peak power amplifier, brings a new dimension in low frequency, bass performance to any home theater system
  • Dimensions (LxWxH) 28.1" x 22.0" x 25.6" (715 x 560 x 650 mm)
  • Weight 171.6 lbs. (77.8 kg)

Editor's Notes

Written by citan359 | Staff
  • About this deal:
    • Promo code valid through May 24th,
    • While supplies last
  • About this product:
    • 5 Year Replacement Warranty
    • 4.8 out of 5 stars rating at Monoprice based on over 22 customer reviews
  • Additional Note:

Original Post

Community Voting

Deal Score
+22
Good Deal
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Price Intelligence

Model: Monolith by Monoprice 16in THX Certified Ultra 2000-Watt Powered Subwoofer (Matte Black/Painted)

Deal History 

Sale Price
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Sort: Lowest to Highest | Last Updated 7/10/2025, 01:22 AM
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Monoprice.com$2,499.99

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Top Comments

jth182
549 Posts
124 Reputation
This is just a plain stupid comment. Monoprice makes incredible subwoofers these days. Many rate them higher than SVS now.
ViciousXUSMC
1202 Posts
283 Reputation
I have 4x of the 15's and said the same when the M215 deal came out lol.
But these are just so beastly, I dont think I could even run 4x of these without running new breakers.

After building a DIY 18" sealed sub, honestly I think that is my upgrade path. 18" in a box smaller than a ported 15" that goes as low as I want and just setup a proper audio rack with all my amps.
ktlewis02
911 Posts
109 Reputation
Cool, I didn't like having standing walls anyway

44 Comments

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May 19, 2023
48 Posts
Joined May 2014
May 19, 2023
RBRao
May 19, 2023
48 Posts
This or SVS PB-4000?
Pro
May 19, 2023
11,383 Posts
Joined Jul 2010
May 19, 2023
supermanrob
Pro
May 19, 2023
11,383 Posts
Quote from RBRao :
This or SVS PB-4000?
If you have no brand preference I would suggest going with the least expensive.
They are both good, can't go wrong.
2
May 20, 2023
281 Posts
Joined Jan 2013
May 20, 2023
steigst
May 20, 2023
281 Posts
Open box monolith 16 is now showing free shipping and MONOLITH15 still works. $1380 shipped!

Although I'm very concerned by the note that open box warranty is only 90 days. Can anyone confirm this? I've always had the understanding that open box is still considered new and included a warranty 🤞.
Pro
May 20, 2023
11,383 Posts
Joined Jul 2010
May 20, 2023
supermanrob
Pro
May 20, 2023
11,383 Posts
Quote from steigst :
Open box monolith 16 is now showing free shipping and MONOLITH15 still works. $1380 shipped!

Although I'm very concerned by the note that open box warranty is only 90 days. Can anyone confirm this? I've always had the understanding that open box is still considered new and included a warranty 🤞.
Here you go, it says:
"This Open Box product comes with a 90-day Limited Product Warranty."

https://www.monoprice.com/product?p_id=44577
1
May 20, 2023
281 Posts
Joined Jan 2013
May 20, 2023
steigst
May 20, 2023
281 Posts
Quote from supermanrob :
Here you go, it says:
"This Open Box product comes with a 90-day Limited Product Warranty."

https://www.monoprice.com/product?p_id=44577
I looked through several reddit posts and many have been told it's the 5 year monolith warranty 🤞. Unfortunately they're closed over the weekend, but I sent them a message and will call Monday.
Pro
May 21, 2023
11,383 Posts
Joined Jul 2010
May 21, 2023
supermanrob
Pro
May 21, 2023
11,383 Posts
Quote from steigst :
I looked through several reddit posts and many have been told it's the 5 year monolith warranty 🤞. Unfortunately they're closed over the weekend, but I sent them a message and will call Monday.
Good luck and get it in writing, I doubt Monoprice will take some opinions on reddit over their own website.
2
May 21, 2023
281 Posts
Joined Jan 2013
May 21, 2023
steigst
May 21, 2023
281 Posts
Quote from supermanrob :
Good luck and get it in writing, I doubt Monoprice will take some opinions on reddit over their own website.
Oh of course, that's why I sent the message. If validated over the phone, I'll request an email stating that. There just aren't a lot of details in their fine print under policies or available via Google searches. Other that that blurb on the page, which I hope is more generic to order products 🤞.

I believe my credit card will double the warranty since it says open box (not valid on used)

I'll refuse shipment if the box is damaged and test thoroughly within 90 days. Returning that thing sounds like a nightmare.
Last edited by steigst May 20, 2023 at 09:14 PM.

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May 22, 2023
276 Posts
Joined Jul 2012
May 22, 2023
ukkumar_a
May 22, 2023
276 Posts
Quote from steigst :
Oh of course, that's why I sent the message. If validated over the phone, I'll request an email stating that. There just aren't a lot of details in their fine print under policies or available via Google searches. Other that that blurb on the page, which I hope is more generic to order products 🤞.

I believe my credit card will double the warranty since it says open box (not valid on used)

I'll refuse shipment if the box is damaged and test thoroughly within 90 days. Returning that thing sounds like a nightmare.
Please Let us know once you receive written confirmation about 5 Years warranty. I am also interested to buy one.
May 22, 2023
2,391 Posts
Joined Apr 2009
May 22, 2023
viche
May 22, 2023
2,391 Posts
Quote from ViciousXUSMC :
I have 4x of the 15's and said the same when the M215 deal came out lol.
But these are just so beastly, I dont think I could even run 4x of these without running new breakers.

After building a DIY 18" sealed sub, honestly I think that is my upgrade path. 18" in a box smaller than a ported 15" that goes as low as I want and just setup a proper audio rack with all my amps.
How many M15s can you have on one breaker?
Pro
May 22, 2023
11,383 Posts
Joined Jul 2010
May 22, 2023
supermanrob
Pro
May 22, 2023
11,383 Posts
Quote from ukkumar_a :
Please Let us know once you receive written confirmation about 5 Years warranty. I am also interested to buy one.
I would strongly suggest contacting them yourself and getting your own writing!

They are not known for there CS and if you return it the cost is on you.

Even at the very top of that page it says:

"Refurbished and open box products go through a rigorous testing process and are guaranteed to work like new. They
also come with a 90-day warranty."

https://www.monoprice.com/search/...6+open+box
2
May 22, 2023
11,576 Posts
Joined Dec 2007
May 22, 2023
DJPlayer
May 22, 2023
11,576 Posts
Quote from tackhouse1 :
Can one ever truly have enough bass? (I have two M-15's myself) laugh out loud
ditto.. plus an SVS PB 2000 and 4 transducers. Yet, here I am starring at this thread wondering ...
May 22, 2023
2,219 Posts
Joined Sep 2010
May 22, 2023
scdiamond
May 22, 2023
2,219 Posts
Is this enough to shatter my windows?
Pro
May 22, 2023
11,383 Posts
Joined Jul 2010
May 22, 2023
supermanrob
Pro
May 22, 2023
11,383 Posts
Quote from scdiamond :
Is this enough to shatter my windows?
Yes but might be cheaper to use a rock! 😜
1
1
May 23, 2023
14,671 Posts
Joined Aug 2010
May 23, 2023
turnne
May 23, 2023
14,671 Posts
Quote from steigst :
I looked through several reddit posts and many have been told it's the 5 year monolith warranty 🤞. Unfortunately they're closed over the weekend, but I sent them a message and will call Monday.
You do receive the 5 year warranty on open box Monolith subs
That has been proven many times on AVS forum
You can email Monoprice directly and they will confirm that
1
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May 23, 2023
14,671 Posts
Joined Aug 2010
May 23, 2023
turnne
May 23, 2023
14,671 Posts
For those that want to see the measurements and see what a beast the Mono 16 is
https://www.audioholics.com/subwo...ith-16201d

Also note its 180lb weight
1

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