Monoprice Ships M-215 Dual 15" THX Ultra Ported Subwoofer - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 33 Old 02-12-2020, 09:17 AM - Thread Starter
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Monoprice Ships M-215 Dual 15" THX Ultra Ported Subwoofer

Bass lovers seeking superb performance from a super-size Ported subwoofer have a compelling new option in the Monoprice M-215 Dual 15". This THX Ultra Certified beast offers 2000 W RMS, 3600 W peak power and has a rated frequency response of 14-200Hz (Extended) 16Hz-200Hz (THX®).

Full Specs

Model: 38543
Woofer: 2x 15" cone
Cone Material: 2 layer long fiber pulp/glass fiber cone
Voice Coil: 60mm with high temperature aluminum wire and black anodized aluminum bobbin
Surround: FEA optimized NBR (nitrile budadiene rubber)
Motor: FEA optimized, 2 aluminum shorting rings, undercut T-pole focused field
Magnet: Ceramic Y35, 2 pcs total 216 oz.
Xmax: 25mm (one-way)
Xmech: 90mm (peak-to-peak)
Enclosure: Slot vented HDF cabinet with horizontal and vertical bracing
Finish: Black Ash
Amplifier; 2000 watts (RMS)/3600 watts (peak)
Frequency Response: 14-200Hz (Extended) 16Hz-200Hz (THX®)
Harmonic Distortion: <3% 20-100Hz (94dB @ 1m)
Variable Level Control: +15/-20dB
Crossover: Inline/Bypass variable 40-160Hz
Inputs: RCA (2), XLR
Outputs: XLR
Signal Turn On: Selectable always on/auto
Auto Turn Off: 30 minutes
Dimensions: 42.3" x 20.0" x 27.6" (1075 x 508 x 700 mm)
Weight: 216 lbs. (98 kg)



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post #2 of 33 Old 02-12-2020, 10:03 AM
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Monoprice M-215 vs. PSA TV3612 vs. Rythmik FV25HP showdown?
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post #3 of 33 Old 02-12-2020, 11:49 AM
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I have a question. Does Monoprice charge sales tax?
and most of the time shipping?

The price of this new beast is $2,500.
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post #4 of 33 Old 02-12-2020, 12:05 PM
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Quote:
Originally Posted by spyboy View Post
I have a question. Does Monoprice charge sales tax?
and most of the time shipping?

The price of this new beast is $2,500.
Shipping is free and I wasn't charged sales tax when I bought my Monolith 15.
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post #5 of 33 Old 02-12-2020, 12:07 PM
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Quote:
Originally Posted by spyboy View Post
I have a question. Does Monoprice charge sales tax?
and most of the time shipping?

The price of this new beast is $2,500.
depends on the tax laws in the state you live in...
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post #6 of 33 Old 02-12-2020, 04:30 PM
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I'd love to hear this Beast, especially since I already own a Monolith subwoofer, but did you notice the weight of 216 lbs?
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post #7 of 33 Old 02-12-2020, 04:42 PM
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This sub reminds of M&K stuff.
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post #8 of 33 Old 02-12-2020, 04:51 PM
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The PSA will walk over both of them, the Monoprice with ease.

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post #9 of 33 Old 02-12-2020, 06:48 PM
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That’s some serious bass here, looks awesome...and I was looking into the SVS 4000 , and was afraid that might be overkill for my open space living room
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post #10 of 33 Old 02-12-2020, 11:07 PM
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Quote:
Originally Posted by Soccerdude View Post
This sub reminds of M&K stuff.
I think that everytime I see a monolith sub, I used to have an M&K & they used to be my favorite subs!

Anyone wanna loan me $2500 lol. I might just consider giving up my Klipsch THX Ultra II subs for this....
Or better yet use one sub output for my Klipsch THX subs and use the other sub output for this beast, just have to figure out how I'm gonna move it with my bad back!

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post #11 of 33 Old 02-13-2020, 05:39 AM
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2500 subs

So....I would love a head to head comparison.

https://www.svsound.com/products/pb16-ultra

VS

The Dual 15 Monoprice.
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post #12 of 33 Old 02-13-2020, 10:20 AM
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Quote:
Originally Posted by bgillyjcu View Post
So....I would love a head to head comparison.

https://www.svsound.com/products/pb16-ultra

VS

The Dual 15 Monoprice.
That was done by Youthman on his YouTube channel. That's the measurements from his room, so dips can be sub placement.
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post #13 of 33 Old 02-13-2020, 03:52 PM
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Quote:
Originally Posted by Spewdom View Post
That was done by Youthman on his YouTube channel. That's the measurements from his room, so dips can be sub placement.
Youthman also did that test with the PB16 in Standard Mode not Extended, Extended Mode for a solo PB16 is 109db at 16hz while its only 100db in standard mode. If you really wanted to compare the two you would put the 16 in extended mode.

He also stops sweeping the instant he sees any compression whatsoever, it could be at 10hz (in this case I think it was), both these subs have WAYYY more headroom from 15hz + then his graphs show.

That being said the 215 definitely has better performance across the full bandwidth. The Pb16 only really matches it in the mid high teens if the audioholics numbers are anything to go by (disclaimer those are the figures that Monolith claims, not actually tested by Audioholics). If true the Monolith produces alot more output. Monolith customer service is a big concern though.
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post #14 of 33 Old 02-14-2020, 03:50 PM
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Wow....20hz down pretty impressive. Would love to see the PB16 in extended mode for ****s and giggles.
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post #15 of 33 Old 02-14-2020, 03:52 PM
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post #16 of 33 Old 02-14-2020, 06:56 PM
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You could easily get a PAIR of X15 paradigm subs for a little less from a dealer. Made in Canada, incredible room correction and app control, and you can place them where they sound best, rather than on top of each other where they could potentially get in the way of a screen. Not that appealing.
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post #17 of 33 Old 02-14-2020, 06:58 PM
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Originally Posted by Contuzzi View Post
You could easily get a PAIR of X15 paradigm subs for a little less from a dealer. Made in Canada, incredible room correction and app control, and you can place them where they sound best, rather than on top of each other where they could potentially get in the way of a screen. Not that appealing.
Lay it on the side. Problem solved.

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Lay it on the side. Problem solved.
Is that how you get it to have room correction, app control, phase adjustment by the degree, and more?

That also must be how you get the made in china badge to fall off and reveal the Made In Canada badge. You're so clever!

But what do you do about the extra money you paid? Does that come out of one of the ports, or...?
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post #19 of 33 Old 02-14-2020, 09:32 PM
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Originally Posted by Contuzzi View Post
Is that how you get it to have room correction, app control, phase adjustment by the degree, and more?

That also must be how you get the made in china badge to fall off and reveal the Made In Canada badge. You're so clever!

But what do you do about the extra money you paid? Does that come out of one of the ports, or...?
Troll much?

I think the M-215 is a nice option for people who need a capable sub. My response was more about your snide comment about it being so high. Big bass tends to come in big packages. Hoffman's Iron Law and all that...

I look forward to some tests on this thing, and user impressions. Monoprice has made aggressive moves into HT space and I wish them well because it seems they're darn competitive with their entries.
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I look forward to some tests on this thing, and user impressions. Monoprice has made aggressive moves into HT space and I wish them well because it seems they're darn competitive with their entries.

Customer service is one place they've decided not to compete. Who is really going to want to ship back a 220 pound subwoofer for an amp problem or because the sub arrived infested with mold? I don't care how price competitive they are on performance, the bad service rules out Monoprice for me.
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post #21 of 33 Old 02-15-2020, 08:52 PM
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Originally Posted by Kothoga View Post
The PSA will walk over both of them, the Monoprice with ease.
you have proof?
im all ears.
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post #22 of 33 Old 02-16-2020, 12:28 AM
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Yeah customer service is always a consideration for me! 200+lbs or not

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What am I missing? Power Sound Audio has dual 18" subwoofers V3612 and TV3612 that are $50 and $100 more.
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For what it is, I can still pull one of my amps out of the closet, buy a couple real 15 inch drivers with 300 oz magnets, and put them in homemade boxes at less than half the price of this option. What your paying for here is a nice grill cover and cabinet all done.

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post #25 of 33 Old 02-25-2020, 09:02 AM
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For what it is, I can still pull one of my amps out of the closet, buy a couple real 15 inch drivers with 300 oz magnets, and put them in homemade boxes at less than half the price of this option. What your paying for here is a nice grill cover and cabinet all done.
agree, but some people are not DIY'ers, or intimidated by something this size.
This is for them.
(not me, as I'm a DIY'er and what not)
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What am I missing? Power Sound Audio has dual 18" subwoofers V3612 and TV3612 that are $50 and $100 more.
TV3612 is $300 more. I'd be interested to see how the Monolith M-215 competes against the V3612.
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Originally Posted by Spewdom View Post
TV3612 is $300 more. I'd be interested to see how the Monolith M-215 competes against the V3612.
It's also the same price as the Rythmik FV25. I'd take the Rythmik all day every day over the M-215.

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Originally Posted by mtbdudex View Post
agree, but some people are not DIY'ers, or intimidated by something this size.
This is for them.
(not me, as I'm a DIY'er and what not)
I would not call having someone make a couple boxes locally, and buying a few woofers a big diy project. For 2500 USD!!!. You getting two 15 inch woofers that COMBINE, FOR 2000 WATTS, and then you get two tiny single layer voice coils, measuring 60MM. It really is a whole lot of cash!!!.
If you asked me, Monoprice is becoming quite expensive with their new endeavers, and as some others have pointed out, there are other top brand names selling at these prices.

Not everyone are plumbers, electricians, and builders, Yet we live in an age with home depots and Ronas, that never existed before. There is a general drive to saving money doing some things ourselves. I would advise people to put more effort into building a system, the new way. People in general are not shippers and recievers either, but they are forced to return ready made stuff all the time. May as well make something better,and more serviceable if needed, especially in this age of ready made junk.

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post #29 of 33 Old 02-26-2020, 05:58 PM
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I still have a pair of Yamaha Yst Sw 800 subwoofers in my arsenal. Bought back when I thought buying ready made stuff was the way to go. Although I can better these subs, and have done so already, they came with a ten inch driver and a huge 4 INCH VOICE COIL. The voice coil is the life of your subwoofer!!!!.

Just out of curiosity i checked and found someone with one of these drivers on you tube, playing it out of the box as the case got damaged. Take a good look at what real quality is boys and girls. Then..... go get yourself a couple fifteen inch subwoofers with 3 to 4 inch double layer voice coils and put them in a box. If you like this monoprice design, buy yourself TWO plate amps and drive both drivers in the same box with seperate plate amps.

AVSCIENCE.COM. topic = 459.60
A Good amplifier requires a adequate power supply, It does not matter what the amplifier is capable of if the power supply will not provide the power required. Most amplifiers have under rated power supplies. It is up to you to make sure you get the ones that are least under rated if at all.
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post #30 of 33 Old 02-28-2020, 07:48 AM
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Originally Posted by Spewdom View Post
TV3612 is $300 more. I'd be interested to see how the Monolith M-215 competes against the V3612.
Thanks for the correction.

That being said, why wouldn't someone spend $50 more for a dual 18" woofer from a company with proven customer service? I may be missing something, but I don't see the market for this.
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