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Polk Audio Atrium Sub10

Outdoor subwoofer

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  • Polk Audio Atrium Sub10

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Our take on the Polk Audio Atrium Sub10

by Loren Barstow
Polk Audio

Outdoor speakers let you move the party outside

Outdoor speakers are built tough -- they laugh at wind, rain and weather. Tuck a pair under your eaves and they'll pump out the tunes to keep everybody smiling and swaying at your next cookout or pool party. We also have some "rock" speakers that blend seamlessly into your landscaped lawn or garden.

The lack of walls and other reflective surfaces can make outdoor speakers sound thin and tinny. But now you can add some real low-end punch to your outdoor music system with the Polk Atrium Sub10. This all-weather subwoofer features a 10" driver to deliver the deep bass frequencies that typical outdoor speakers just can't handle. Connect the Sub10 to your receiver or amplifier, and you'll enjoy fuller, richer sound at all your cookouts and outdoor gatherings.

The tough resin enclosure sports a terracotta finish that you can paint to match your deck or patio décor. And it supports up to 200 pounds, so you can use it as a plant stand or an end table.

Polk designed the Sub10 to perfectly complement their Atrium Sat30 outdoor speakers, but you can use it to add punchy bass to any outdoor speaker system.

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Highlights:

  • all-weather enclosure and speaker terminals
  • passive (non-powered) design with acoustic suspension enclosure
  • 10" dual voice coil Dynamic Balance® woofer
  • frequency response 50-110 Hz (-3dB)
  • sensitivity 88 dB
  • 8-ohm impedance
  • handles up to 200 watts
  • built-in 150Hz crossover
  • stereo speaker-level inputs
  • includes 3-foot direct-burial four-conductor speaker wire
  • 16-3/4"W x 10-15/16"H x 16-3/4"D
  • warranty: 5 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Enclosure
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Acoustic Suspension
Tweeter Type
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Midrange Size
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Woofer Size
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10
Woofer Composition
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Composite
Woofer Surround
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Butyl rubber
Power Range (watts)
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10-200
Sensitivity
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88 dB
Impedance (ohms)
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8
Frequency Response
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50-110 Hz
Connector Type
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Bare wire
Height (inches)
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10-15/16
Width (inches)
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16-3/4
Depth (inches)
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16-3/4
Weight (pounds)
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16
Mounting Bracket Included
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No
Parts Warranty
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5 Years
Labor Warranty
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5 Years
Product Research
What's in the box?

Download owner's manual

  • Outdoor passive subwoofer in a terracotta cabinet with an attached 3' direct-burial cable
  • 4 Wire-nuts
  • Owner's Manual (Eng/Fre/Spa)
  • Online Registration Card
  • Polk Audio brochure

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Outdoor Subwoofer
Driver Technology
Enclosure Design
Connections
Mounting Options

Outdoor Subwoofer

All-Weather Design: The Polk Audio Atrium SUB10 Outdoor Subwoofer combines heavy-duty bass performance and all-weather durability to deliver indoor-level bass impact to your home's outdoor area, such as your deck, porch, pool, or garden area.

Driver Technology

10" Dynamic Balance Woofer: The Polk Audio Atrium SUB10 Outdoor Subwoofer features a down-firing 10" Composite Long-Throw Dynamic Balance Driver for deep accurate bass. Polk's Dynamic Balance Driver Technology eliminates driver distortion for deeper, cleaner bass even at higher volume. The 10" woofer also features a rugged butyl rubber surround for added durability and bass response.

Dual 2" Voice Coil Design: The Polk Audio outdoor subwoofer's dual 2" voice-coil design reproduces bass from both stereo channels, producing more power (up to 200-watts) in the lower frequencies with the help of Capacitive Coupling Technology.

Built-In Low-Pass Crossover: Using it's built-in low-pass crossover (150Hz), the Atrium SUB10 can be connected directly to its own amplifier channels for independent volume control. The overall frequency response is 40Hz-200Hz and the -3dB frequency response is 50-110kHz.

Acoustically-Matched  Design: The Polk Audio Atrium SUB10 outdoor subwoofer is an excellent match for Polk's Atrium SAT30 Outdoor Satellite Speakers (107ATSAT30, sold separately).

Enclosure Design

Sealed Resin Enclosure: The 10" woofer is housed in a molded and sealed acoustically ideal resin enclosure which is marine-certified that will provide weather-proof, outdoor performance for years to come. The enclosure's color-impregnated resin (terracotta) will never fade or you can paint it to match your outdoor décor. The sealed resin enclosure can also be used as a plant stand or a pedestal table (supports up to 200lbs).

Connections

Direct Burial Connection: The Polk Audio Atrium SUB10 features an attached 3' CI3-Rated direct burial 4-conductor cable so no there is no exposed wiring once the woofer has been mounted and connected. The outdoor subwoofer comes with four wire-nuts for connecting your speaker wire.

Mounting Options

Security Anchor: The Polk Audio Atrium SUB10 features an integrated eyebolt security anchor and screw-down Points for added stability and security (mounting screws not provided).

 
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Polk Audio Atrium Sub10 Reviews

Average Customer Review:

9 people say:

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Filter by rating:
5 out of 5

Atrium 10

Written By RBx, Katy, TX on Monday, June 16, 2014
 
These can be an excellent solution if you're looking to round out an exterior system on the lows and mid-lows. If you're looking for a bone rattling ultra-low frequency sub, find a powered one that can handle the outdoors. Made to be coupled as a single with satellite speakers, the passive Atrium 10's can really shine if a little thought it is put into their use. I had recently installed a pair of 251's driven by the new Bose SA-4 Wi-Fi amp on a patio about 16' apart and 10' high. The 251's are excellent speakers, but typical of Bose, the SA-4 system (currently) does not allow for any tone adjustment. It took a lot of trial and error pointing and aiming of the 251's to get close to the sound I was looking for and to be truthful the sound is still a hair bright for my tastes. My next task was the same setup on another patio, but this time some 30' apart and 15' high and with a lot more hard tile surface on the ground. Worrying about the sound I'd get led me to this site. I opted for a pair of the atrium 10s driven by their own SA-4. The result is outstanding. I run them at about 85% of the volume of the 251's. In my application at that level you don't realize so much that they are there, but if you turn them off you really do! It's hard to describe their impact on the overall quality of the sound other than wow. Bottom line - a great outdoor "sub", but be prepared to tweak things - especially when using with other brand speakers.

Thanks to the previous reviewers
Pros:
An excellent solution for me to round out the lows and mid-lows and add an overall "richness" to my outdoor sound.
Cons:
Be prepared to tweak things to get the sound you want in your specific application - adding volume control and/or using a pair - especially when using with other brand speakers.
1 out of 1 people found this helpful
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4 out of 5

It took 2, but they sound great

Written By Tim, Whiteford, MD on Monday, May 20, 2013
Crutchfield Customer Review (What's this?)
 
I have a double deck consisting of (2) 16x20 decks with a step down between. I have the larger Def Tech speakers on the house and they sound great, but you lose the base as you are on the lower deck so I thought I'd try this. It arrived 18hrs after I ordered it (amazing). At first I wasn't happy and thought perhaps it was defective. They quickly sent me another, but it sounded the same. Something made me hook them both up parallel and WOW. What a difference. Perhaps my area is too big, I don't know. Then I tried them spaced under the lower deck (2' above the ground). Holy cow-what a difference that made. The decks are Trex for what it's worth. Not sure if the sound bounced off too easily when they were on top or what, but having them under the deck literally rocks. We're now experiencing as close to the same quality that I get inside that I think is possible. These have L/R line level inputs and the crossover setting is kind of high, so they sometimes sound like a full range, but that was more prevalent when I had them on top of the deck.
Pros:
Superior outdoor sound quality, paintable
Cons:
Took 2 of them to get the sound I was looking for, crossover setting a little high for my taste in Sub bass.
2 out of 2 people found this helpful
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4 out of 5

Pold Atrium sub10

Written By philip c, Franklin, Tn on Saturday, May 18, 2013
Crutchfield Customer Review (What's this?)
 
Good sounding base, but was unaware it required an amp to function and also requires both left and right inputs. I was planning to use the sons sub output single lead.
Pros:
Good base response,
Cons:
Should come with a grill to protect speaker from elements and varmints. It appears to be available as an option. Requires âmp to drive. they should offer a powered unit for outdoors.
1 out of 3 people found this helpful
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5 out of 5

The Atrium Sub 10 filled the missing link

Written By Kevin, Louisville, KY on Wednesday, January 23, 2013
Crutchfield Customer Review (What's this?)
 
The Polk Audio Atriumn Sub 10 (outdoor sub woofer) filled the gap of the missing link of listening to the Atrium 4 speakers alone. I had four Polk Audio Atrium 4 speakers. They provided a crisp clean sound. However, once I installed the Atrium Sub 10, I was blown away. The performance of the sub woofer far exceeded my expectations. I never thought I would get that much of a deep sound from a speaker outdoors. I have a set of Bose computer speakers and a Bose 5:1 surround sound indoor theatre system. And as far as I am concerned, the Polk Audio speakers out performs Bose in every aspect. Especially when it comes to the value.
Pros:
Easy to install. Provided a full rich sound when using with Atrium 4 speakers. The best product for the $.
Cons:
Have to spray paint to match patio color scheme. I wish there were 2 or 3 color options.
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3 out of 5

Polk Audio Atrium Sub10

Written By Anonymous, osage beach mo on Thursday, June 21, 2012
Crutchfield Customer Review (What's this?)
 
reliable great service and info from crutchfield. Always know what you are getting.
Pros:
easy to install-used b speakers on my amp in my dock locker
Cons:
product sounds better when placed in my dock locker than out in the open
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5 out of 5

Happy As All Get Out

Written By Thomas, LA area on Thursday, May 31, 2012
Crutchfield Customer Review (What's this?)
 
I replaced my old tower speakers on the patio with this sub woofer and two Bose 151 outdoor speakers. All 3 driven from two old left/right lines from the old hippy-speakers that run into house and straight into the "B channel" of the old 100-watt receiver outputs.

Thats the recipe. No speaker switches. No powered sub woofer. No base blockers (don't ask). No dedicated coaxial line.

I even tried Bose 251's. Compared to the 151's those were ok. But NOT with the sub woofer. Too much base from everywhere. And not the "good" base. Just that sluggish, low, exhausted sound that only inhibited any high tones from the 251s.

The sub is made to run with smaller speakers. No doubt, the "Party approved" Polk set-up, with their Sat 30's is good. Maybe even great. But I already had the 151's. And besides looking good, they deliver the high sounds over a broader area that even the 251's could.

If your obsessed enough to have read this far, then you'll want to know: Covered patio 30' X 15 feet, nestled in "elbow" of stucco house. Open on a short end and along the back. 151's placed high up, just under cover ceiling at mid-point and edge of open end (along the long side of house). That's the most occupied half-but placement is subjective.

CRUTCHFIELD stood ready to tech-support my set-up, but when the sub woofer came, I found it to be faster to twist wires than punch a phone number. They took good care of me. I will be back.
Pros:
Easy set up. Looks good. Go ahead, put a plant on it, really.
Cons:
Thank God I'm not audiophile enough to come up with any. You guys need help ; )
6 out of 9 people found this helpful
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4 out of 5

Solid Performance

Written By Jerry, Preston, CT on Friday, June 03, 2011
Crutchfield Customer Review (What's this?)
 
I have searched for a reasonalby priced additon to my Bose outdoor speakers as they lacked the bass performance that I want in my system and I finally found it in the Polk Atrium Sub 10.

I am powering the sub through the subwoofer output of my Yamaha receiver and a Hafler 220 stereo power amplifier. This allows me to control the output of the subwoofer in order to better blend the subwoofer with the main speakers at all listening levels. I couldn't be more pleased. I now have the sound I was looking for at lower volume levels. We can carry on a conversation while still enjoying great sound.

If you plan on using the sub as a passive subwoofer, I would recommend the entire Polk Atrium system as I am sure that they are designed to perform best together.
2 out of 2 people found this helpful
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4 out of 5

Provided the sound depth I was looking for outdoors.

Written By Anonymous, Springfield, VA (DC Metro) on Monday, June 21, 2010
Crutchfield Customer Review (What's this?)
 
I have a set of Bose 251s set up on my underdeck patio. These speakers alone did not provide the outdoor sound that I was looking for. I debated for months and months on what type of subwoofer to use to hopefully enhance the sound and had actually settled on a Klipsch only to find out that it had been discontinued when I was ready to place my order. I had seen the Polk Atrium Sub 10 but was initially put off by its shape as I really didn't need a speaker that looked like a plant stand. Plus, the online pictures made it look bigger than it actually is.

Long story, short...I settled on this subwoofer, installed PAC BB-150A2 Bass Blockers (at the suggestion of Jeff at Crutchfield) in the satellite speaker + leads, routed it all through a Niles volume control switch and I now have the sound that I had been looking for

I am a very satisfied customer and am happy that I went with this product. I gave it only 4 stars because I still think it is kind of a goofy shape but it is stuck back in a corner and is hardly noticed (except for the great bass that it puts out).
2 out of 2 people found this helpful
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3 out of 5

Polk Audio Atrium Sub10

Written By Alf, Baltimore, MD on Wednesday, August 05, 2009
Crutchfield Customer Review (What's this?)
 
This woofer is designed to work with Sat 30 Satellite speakers. I have Atrium 45's. There is no crossover in the Sub. Connections are parallel. This is less than ideal for the Atrium 45's which continue to receive bass signals. Nevertheless, the sound is quite reasonable and very much improved over the Atrium 45's alone.
10 out of 13 people found this helpful
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