Monolith by Monoprice M15-S 15" THX Ultra Certified Sealed 1000 Watt Powered Subwoofer

Monolith by Monoprice M15-S 15" THX Ultra Certified Sealed 1000 Watt Powered Subwoofer-Small-Image-2

Monolith by Monoprice M15-S 15" THX Ultra Certified Sealed 1000 Watt Powered Subwoofer-Small-Image-3

Monolith by Monoprice M15-S 15" THX Ultra Certified Sealed 1000 Watt Powered Subwoofer

Product # 35141

$1,299.99

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I've got the 3-ported predecessor to this. Why would I want this one?

Mike E on Mar 16, 2019

Monolith by Monoprice M15-S 15" THX Ultra Certified Sealed 1000 Watt Powered Subwoofer

Monolith by Monoprice 15" THX Ultra Certified 1000 Watt Powered Subwoofer

BEST ANSWER: If you have the ported model, like I do, then there is no reason at all. A sealed sub may be better for when you are mainly playing music rather than movies as you don't need the more "tactile" feel of the ports' airflow. Some believe sealed subs are more accurate than ported, though you lose the reproduction of some of the lowest frequencies. Unless you're playing pipe organ music a lot, you may never miss them.

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Dan H on Mar 16, 2019

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Dan H on Mar 16, 2019

Not sure you would. The big debate between ported and non-ported is to do with the type of music/movies and the ratios you listen to them.

I have the 15" THX with two-ports plugged - it rocks our 'great room' - but I have over 11k cubic feet to fill and open to kitchen on one side

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patrick m on Mar 16, 2019

No, I don’t think specs wise there is any difference. Comparing the two it seems more cosmetic than sound quality difference. I prefer 3 ported than the new one.

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Ironnerve on Mar 16, 2019

Smaller physical size could be one reason

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Nick G on Mar 16, 2019

Vote for the best answer above!

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