POLK Audio CSW-100 10" In-Floor & In-Ceiling Subwoofer
SKU: 76990397514

POLK Audio CSW-100 10" In-Floor & In-Ceiling Subwoofer

Sale price$22050.00 Regular price$24500.00
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Description

POLK Audio CSW-100 10" In-Floor & In-Ceiling SubwooferPOLK Audio CSW 100 Overview The CSW 100 is the cheapest in floor subwoofer available on the market. It uses a 10'' speaker with a polymer composite cone and a frequency response of 33 120Hz. The unit comes with a pre fabricated grill for easy installation. It is a good choice for retrofit installations. In floor subwoofers are typically installed below the floor in the joist space. This type of installation encourages the use of an unfinished or

POLK Audio CSW-100 Overview

The CSW-100 is the cheapest in-floor subwoofer available on the market. It uses a 10'' speaker with a polymer-composite cone and a frequency response of 33-120Hz. The unit comes with a pre-fabricated grill for easy installation. It is a good choice for retrofit
installations.

In-floor subwoofers are typically installed below the floor in the joist space. This type of installation encourages the use of an unfinished or dropped ceiling for service reasons. They can also be installed in a finished drywall ceiling.

POLK Audio CSW-100 Feature

The CSW-100 10 In-Floor and In-Ceiling Subwoofer from Polk Audio features a single 10-inch woofer and an MDF enclosure. This unit uses High-Velocity Compression Drive technology to deliver impressive bass output. It is compact, measuring just 26.2" long, 13" wide, and 9" deep. It fits easily between standard joist spacing and has a small 2" x 12" vented small 2" x 12" vent.

For larger spaces, two or more in-floor subwoofers should be used for a minimum of 500-750W of power. Two-CI-UTF 12LE in floor subwoofers are also required in large rooms. Two subwoofers will balance out the sound in an even manner.

POLK Audio CSW-100 Specification

Subwoofer Array Driver Complement •(1)  10" (25.4 cm) d (Round) Long-throw Dynamic Balance woofer with polymer composite cone - Subwoofer
Height 26.25" (66.68 cm)
Width 13" (33.02 cm)
Depth 8" (20.32 cm)
Weight 33 lbs (14.97 kg)
Grille Dimensions 4.5" (11.43 cm) h x 14" (35.56 cm) w
Total Frequency Response 27 Hz → 140 Hz
Nominal Impedance 8 ohms
Lower and Upper -3dB Limits 120 Hz → 33 Hz
Available Orientations Horizontal
Shape Rectangle
Dimensions 3" (7.62 cm) h x 12" (30.48 cm) w
Flush Mounting Depth 8.5" (21.59 cm) -
Audio Inputs
Speaker Inputs (1) Pair of Binding Posts - Gold Plated
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 76990397514

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Boise, US
★★★★★ 5
Brown skin approved!
Size: 6 Ounce (Pack of 1), Size: 6 Ounce (Pack of 1)
Does not leave a white cast, feels very light on the skin. Scanned on Yuka and was a 86/100 green zone! It’s so hard to find a sunscreen that isn’t trying to poison you, scanned all the sunscreen at Walmart and were rated a 1/100 through 6/100. Which brought me to Amazon. Thinksport has my vote on goodness and healthiness, would buy again!
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Reviewed in the United States on May 29, 2026
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MK
Port Orchard, US
★★★★★ 5
My favorite... And I'm picky.
Size: 3 Ounce (Pack of 1)
I've become a little obsessed with sunscreen over the last past 5 years. I have olive skin and developed melasma after my first pregnancy. I learned the hard way that chemical sunscreens don't help if you have melasma - and they actually make the dark spots even worse. Also the active ingredients in chemical sunscreens (like Oxybenzone and Octinoxate) are absorbed by your skin, and may cause allergies, hormonal imbalance and be toxic overtime. After learning that, I started wearing only mineral sunscreen (active ingredient is zinc and/or titanium dioxide). These are not absorbed and works by creating a physical barrier that reflects the sun (some studies suggest that some nanoparticles of zinc may be absorbed by your skin, so to be really, really safe you should look for non-nano particles). After trying a few brands, I realized the sunscreens with only zinc in their formulas worked better than the blends with titanium dioxide, but this is just my personal preference I guess. And the higher the percentage of zinc, the better. Most pure mineral sunscreens out there are 10-ish % zinc, SPF 30, 40 min water resistant - which is ok. Thinksport goes beyond that: It's 20% non-nano zinc, SPF 50+, 80 min water resistant. It really can't get any better than that! The lotion is not extremely thick when compared to other sunscreens I've tried and I find it pretty easy to apply. As every zinc sunscreen, it does leave a little fine white cast, but honestly Thinksport is not bad at all! It smells nice, lightly citrusy - and the smell vanishes soon. And, it's not overpriced. Best I've tried so far.
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Reviewed in the United States on April 15, 2016
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BB
Battle Creek, US
★★★★★ 3
Works but will Dry Out Your Skin
Size: 6 Ounce (Pack of 1)
I am a swim instructor at an outdoor pool and this stuff DOES work. I can apply it at the beginning of a 5 hour shift and while I have experienced light tanning it has protected against burning completely without reapplication. The white cast is significant though I don't mind it aesthetically, I know its there for protection . It does rub off on things though so consider yourself warned. Major Con: it is incredibly drying, and the soap needed to scrub it off is A LOT. That coupled with chlorine is a lot for my skin . Still on my sunscreen journey.
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Reviewed in the United States on May 4, 2026
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Ellen L. Martin
Lake Worth, US
★★★★★ 5
I couldn’t put this book down!!
Format: Paperback
I couldn’t put this book down! My daughter & I stayed in a bed-n- breakfast in Lochcarran on our trip to Scotland right before the COVID pandemic. Not only is the story a fun cozy, whodunnit, but I could visualize the geography while reading. I love the Scottish Highlands & Dee describes them perfectly in this book. Can’t wait to read the next book..it should arrive today!!
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Reviewed in the United States on April 6, 2026
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Myrtis Jackson
Pawtucket, US
★★★★★ 4
Good book
Format: Audiobook
Book was interesting but had a hard time with the Scottish accent. Plus I have hearing problems so that may have been part of the issue too.
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Reviewed in the United States on July 13, 2025

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