Polk Audio Atrium SUB100

€ 449

Outdoor Subwoofer with 10-inch Woofer

Heavy-duty bass performance and heavy-duty all-weather durability combine to deliver indoor-level bass impact outdoors or in your home’s transitional areas. The Sub100 is the perfect complement to a set of Sat300’s, and rounds the system out with the full dynamic performance of a high-end audio system. Paint it to match the décor in your sunroom or by the pool. With serious bass fun, the Sub100 is the life of the outdoor party!

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200 Watt downward-firing subwoofer delivers earth-shaking bass.


Housed in a moulded and sealed acoustically ideal resin enclosure and marine-certified with IPX66 rating, our guarantee of years of weather-proof outdoor performance.

Dynamic Balance®

Massive 10-inch long-throw Dynamic Balance® driver technology eliminates driver distortion for deeper, cleaner bass even at higher volume.

Capacitive Coupling Technology

Dual 2-inch voice coil design reproduces bass from both stereo channels, producing more power in the lower frequencies with the help of Capacitive Coupling Technology. You get big outdoor bass for big outdoor impact.

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Junction Box

The included waterproof IP68 rated junction box easily connects other outdoor speakers and is approved for in-ground use.

Aluminium Grille

The included grille protects the woofer and will hold up in the outdoor environment.


Maximum wiring flexibility with built-in high-performance crossover technology. The dual-voice-coil Sub100, with built-in low-pass filters, can be connected directly to its own amplifier channels for independent volume control.

Designed to Blend In

Sub100’s enclosure may be painted to match your landscape design, the colour-impregnated resin will never fade and naturally blends in with your outdoor seating – even use it as a plant stand or pedestal table.

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  • Subwoofer Array Driver Enclosure Type
    Acoustic Suspension with Colour-Impregnated Resin Shell
  • Subwoofer Array Driver Complement
    (1)  10″ (25.4 cm) d (Round) Long-throw Dynamic Balance composite cone driver with dual voice coils and butyl rubber surround – Subwoofer – Voice Coil 2″ (5.08 cm) d
  • Height
    11″ (27.94 cm)
  • Width
    16.9″ (42.93 cm)
  • Depth
    16.9″ (42.93 cm)
  • Weight
    16.75 lbs (7.6 kg)


  • Nominal Impedance
    8 ohms
  • Sensitivity (1 watt @ 1 metre)
    88 dB
  • Lower and Upper -3dB Limits
    50 Hz – 110 Hz


  • Recommended Amplifier Power Per Channel
    10 watts – 200 watts


  • Peak Power Handling
    200 watts
  • Midrange/Woofer Crossover Frequency
    150 Hz
  • Power Handling (per channel)
    10 watts – 200 watts


  • Mounting Type
    Security eyebolt
  • Available Orientations


  • Mounting Type
    Keyhole Slots
  • Available Orientations

For more information, please visit this products webpage