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Customer Reviews

Polk Audio Atrium Sub100

Outdoor passive subwoofer (Terracotta)

MFR # AM4385-A

Polk Audio Atrium Sub100

Polk Audio Atrium Sub100

Outdoor passive subwoofer (Terracotta)

MFR # AM4385-A

4 reviews
View this product

Awesome!

Crutchfield customer from Chapel Hill, NC on 10/1/2020

Verified customer (What's this?)
Verified employee purchase (What's this?)

I have a pair of Definitive Technology AW6500 on my screened in pack porch. They have always sounded okay but definitely lack the low end like all outdoor speakers. A Crutchfield rep was able to walk me through how to hook this up since the DefTech are powered via Zone 2 of my Onkyo. I ended up buying a a Russound 100w x2 amp and used the Zone 2 pre-amp outputs. The music sounds a million times better! I was expecting a difference, but now the change is pretty phenomenal. Thanks Polk and Crutchfield!

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

Polk Audio Atrium Sub100

Crutchfield customer from Dix Hills, NY on 7/26/2020

Verified customer (What's this?)
Verified employee purchase (What's this?)

Amazing bass! Plan to add at least two more to my system.

Pros:

Cons:

Crutchfield response on

2 of 3 found this helpful

Love it

Crutchfield customer from Brooklyn, NY on 7/26/2019

Verified customer (What's this?)
Verified employee purchase (What's this?)

I bought this to compliment my 10 outdoor Bose speakers. I hooked this up to my Russound 290 amplifier. It sounded horrible until I lowered the vol behind the Rissound to half. I placed it on concrete and it was a little jumpy so I place a heavy flower pot on it and it sounds great.

Pros: Looks and sounds great

Cons: You have to tweak it

Crutchfield response on

0 of 0 found this helpful

Fullerton

Martin from Fullerton on 6/26/2019

Verified customer (What's this?)
Verified employee purchase (What's this?)

Let me start with the fact that I'm using multiple Polk Audio speakers and I'm happy with all of them. I'm using MC60 / 80, RT-90 around the house. So I bought this sub to complement my outdoor speakers. They are pretty decent but missing the "punsh" at the very low end. I received the first Sub100, connected it to a full range amplifier as advertised and it sounded horrible. The bass was there but all higher frequencies sounded really bad. So disabled the amplifier for the wall speaker and was surprised that I could still hear "everything", it just sounded really bad. Measuring shows that frequencies up to 8kHz are still played by the Sub100, just with lower loudness, so that the complete sound is off. After talking to Polk support I decided to replace the Sub because the support confirmed that with this behavior the crossover must be broken. Today I received the replacement. Also this Sub100 plays everything up to 8kHz. After another long conversation with Polk Audio support they told me that the Sub100 is designed to be used with the Sat300 and not as stand alone and that is why it is supposed to play also the higher frequencies to some extend. The only possibility would be to use an additional crossover / low pass filter. So this is more a warning because I know how hard it is to find an outdoor subwoofer: Do not buy this product if you are planning on adding bass to your existing outdoor speakers. It will add bass but also make the overall sound horrible!

Pros: One of the few outdoor rated subwoofers available

Cons: Not usable, will play higher frequencies and make the overall sound really bad.

Crutchfield response on 7/10/2019
Thanks for your review. Polk has indeed designed this subwoofer specifically to complement their Atrium Sat300 satellite speakers. Based on your feedback, we've tweaked our presentation to ensure that is clear.

11 of 13 found this helpful

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