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Polk Audio Atrium Sub 100 10-inch Outdoor Subwoofer

^# 26

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$549.00

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Page last updated Jul 06, 2026

Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated June 26, 2026.

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$549.00

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4.2 (44)

$549.00 Used

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5.0 (1)

$549.00

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Price History

Based on price data from 1 merchant for "Polk Audio Atrium Sub 100 10-inch Outdoor Subwoofer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Transform your outdoor audio experience with the Polk Audio Atrium Sub 100 10-inch Outdoor Subwoofer. Engineered to seamlessly integrate with your existing outdoor speaker system, this subwoofer delivers powerful and precise bass that ensures your next backyard gathering has the sound quality it deserves. Its Dynamic Balance Driver Technology minimizes distortion, providing deep, clean bass even at high volumes. With a robust weatherproof design, including an IPX66 rating, it’s ready to withstand the elements, making it a reliable addition to any outdoor setting.

The Atrium Sub 100 is more than just a subwoofer—it's a versatile addition to your outdoor decor. With a paintable enclosure, it can effortlessly blend into your landscape, whether nestled among your garden or doubling as a plant stand. The 10-inch downward-firing dual-voice-coil driver is designed to handle up to 200W of power, delivering an immersive audio experience that can be tailored to your preferences. The sealed enclosure and included waterproof IP68-rated junction box ensure it remains functional and secure, no matter the weather.

Whether you’re planning a garden party or simply relaxing on the patio, the Polk Audio Atrium Sub 100 enhances your outdoor space with rich, resonant sound. Enjoy the flexibility of various installation options, from eaves to in-ground setups, and rest easy knowing its security features keep it safe from theft and environmental wear.

Key Features:

10-inch downward-firing dual-voice-coil driver for powerful bass
Dynamic Balance Driver Technology for distortion-free performance
IPX66 weather resistance for durability in outdoor conditions
Paintable enclosure to match outdoor décor
Versatile placement options, including in-ground use
Waterproof IP68-rated junction box for secure connections
Handles up to 200W of power for robust sound output

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Top 3 Best Outdoor Subwoofers 2023

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PROS

Provides deep, rich bass that enhances outdoor audio experience
Pairs well with various amplifiers for custom setups
Durable and well-constructed for outdoor use
Seamlessly complements existing Atrium speaker systems
Easy to install and integrate into existing setups
Enhances sound quality significantly compared to smaller speakers
Attractive design that fits well in outdoor settings
Performs well even with non-Polk speaker setups

CONS

Requires a dedicated amplifier for optimal performance
May not be as effective at longer distances from the source

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Polk Audio Atrium Sub 100 10-inch Outdoor Subwoofer.

Features and functionality

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The Polk Atrium Sub100 plays frequencies up to 500Hz, necessitating an external low-pass filter on the amp for better sound control.
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Wiim Amp Ultra is mentioned for its ability to drive outdoor zones and integrate with a sub line out for subwoofer control.
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Mods and upgrades

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Consider using a Crown XLS Drivecore amplifier for its built-in filtering capabilities, ensuring only desired frequencies reach the subwoofer.
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User experience

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Owners have noted that the subwoofer's built-in crossover is inadequate, requiring an external solution for optimal performance.
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Use cases and applications

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This subwoofer can be integrated into outdoor setups with independent volume control if paired correctly with a suitable amplifier.
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Comparisons

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OSD Forza 10 is often compared with the Polk Atrium Sub100, though the latter is priced twice as high.
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Software and compatibility

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Options like Eversolo and Bluesound are considered alongside Wiim and Sonos for app-based input and volume control, prioritizing ease of use.
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Features and functionality

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Use cases and applications

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