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Polk Audio Atrium Sub10

Outdoor subwoofer

25 Reviews | 3 questions - 8 answers

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Item # 107ATSUB10

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Our take on the Polk Audio Atrium Sub10

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 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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Product 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

What's in the Box:

  • 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

Featured Video

all I can say is well worth the money. Just remember it is a passive sub so you have to buy a separate amp. I chose acoustic

Robert, Melville, NY


Polk Audio Atrium Sub10 Reviews

Average Customer Review(s):

(25 Reviews)
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Hands-on research

Product Research

Outdoor Subwoofer
Driver Technology
Enclosure Design
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. The voice coils are 8 ohms each.

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).


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. Because both have built-in crossovers, the sub can be wired in parallel with a pair of Atrium SAT30 satellite speakers. (Or both can be wired to individual amplifier channels.)

Wiring Options: The SUB10's direct burial cable has four conductors because of the speaker's dual voice coil design. You can connect each voice coil to separate amplifier channels, which will present an 8-ohm load to each channel. If you connect both of the voice coils to a single amplifier channel (in parallel), a 4-ohm load will be presented to the amplifier. (Make sure the amplifier is capable of handling a 4-ohm load.)

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).

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 verify what’s in the box, 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.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Heard it would enhance the sound around the pool. [ Frank  Nov 24, 2017 ]
Need some thump by the pool. [ Dennis  May 05, 2017 ]
I installed one of these Polk Atrium Sub 10's poolside last year and was amazed by the quality of the sound this sub provided to the overall listening experience. Great Polk quality, superb Crutchfield customer support, I decided to add a second one for this years pool season! [ S  Mar 03, 2017 ]
I wanted to add some lows on my outdoor deck. It seemed like a good option. [ John  Sep 01, 2016 ]
Options! [ Donald  Aug 26, 2016 ]
Already have Polk Atrium 8 outside above deck...need to add some low end punch. [ MICHAEL  Jul 16, 2016 ]
This is my second purchase of this items and it is excellent [ GARTH A  Jun 17, 2016 ]
A friend of mine had one. Really liked the sound it provided to the outdoor setup. [ James J  Jun 15, 2016 ]
I was looking for indiscreet sub woofer to pair with my Polk Audio Atrium Sat30 outdoor speakers. The Polk Audio Atrium Sub10 was a logical choice for pairing / wiring with the Sat30's and design appear rugged enough to be mounted in fire pit area next to a lake shore. [ Glen  May 09, 2016 ]
I have Polk outdoor speakers and the quality is great. Needed to add a sub so I went with Polk [ Mark  Feb 18, 2016 ]
The absolute best way to connect this subwoofer is with a dedicated Subwoofer Amplifier; whether component style, modular, or a subwoofer plate amplifier, which is wired with Speaker wire to a remote location that's safe from the weather. Everytime I install one of these with a dedicated subwoofer amplifier, The sound is phenominal !!! And with a dedicated amplifier, you can adjust how much bass you want/need to blend with your other full range speakers! [ ROBERT CARTER  Feb 06, 2016 ]
For better balanced sound for my outdoor system [ THOMAS S  Dec 16, 2015 ]

3 questions already asked

Every amplifier is rated for outdoor use AS LONG AS YOU KEEP IT INSIDE, including the Sonos Connect Amp, none of their speakers or devices are designed to be used outside, the amp stay in and you run the wires to the desired location where you want the speakers. The Sonos is only powerful to move the satellite speakers on the wall and not by much, the volume isn't out of this world but loud enough to enjoy music not for a street hip hop parade. Regarding how to move the Polk sub, you can either get another Sonos Connect Amp OR you can move the sub with a small mono or bridgeable 100 watts amp or bigger (like I do) and buy a Sonos Connect (not an amplifier) the device that connects you to your network and can play your Sonos music where you don't have Sonos speakers or viceversa, allows you to play your CDs music from your conventional stereo through your Sonos network, that's what I do and the sound is exquisite and at the same time you take advantage of the Sonos convenience. I hope it helps. [ Frank  Aug 06, 2017 ]
I have a Sonos connect Amp, run through the Atrium Sub, then to 2 Bose outdoor speakers on my patio. It works and sounds great! Now don't get me wrong, if want gut wrenching bass, your not going to get it with the Sonos amp and this sub. You would need to goto a larger driver and sub. However, for great quality mids and highs (i.e. Bose) and decent bass response, it works good. And you can't beat Sonos user friendliness and input options. Good luck!! [ Dan  Jun 20, 2017 ]
Run off amp. It's OK. Odd hookup. Just bare wires you need to splice. Should have jacks. Mine were free with purchase. So I can't complain too much. [ Paul  Jun 10, 2017 ]
This is not a powered sub. I have mine; Receiver to Niles amp, then to an outside volume box. The size of the box would not hold all the wires so I added another waterproof box and did all my speaker connections the ran the wire to the speakers.( The sub can be wired as a dual coil), then to the sub and the speakers. Just check the output of amp, you may want to size up or add additional if you can bridge yours. If you have more question please ask. [ THOMAS S  Jun 10, 2017 ]
It's passive, it needs an amp. It's best if you order at least 2 of them, dedicate an amp to them, and place them against the side of the house or another flat surface. I have 2 of them on my patio, and they fill in the base of the other speakers. These are not home theater subs or PA subs, they are not going to give you huge bass, but they will fill in the low end and give you a nice balanced lower end. But they perform 10 times better against a wall, rather than just by themselves in free space. [ Marc  Jun 10, 2017 ]
I have mine hooked to a dedicated sub amp. It is not powered. I am very pleased with the way it fills in the bottom on my front porch. [ Ronnie  Jun 10, 2017 ]
It runs off of the speaker wire. I have Nuvo P3100 and I'm pleased with level of bass produced by Sub10. [ Grzegorz  Jun 10, 2017 ]
Thanks for your question. I'm sorry, no. Crutchfield does not have that accessory available. [ Kenny  Mar 06, 2017 ]  Staff