POLK atrium sub100

Atrium Sub100

53000 / Unit

Outdoor Subwoofer with 10-inch Woofer


POLK Atrium Sub100

Atrium Sub100

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 POLK atrium sub100 is the perfect complement to a set of Sat300s 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!

  • Weatherproof design (IPX66) naturally blends in with your
  • outdoor setting — even use it as a plant stand or pedestal table
  • 10″ downward-firing long-throw dual voice coil driver for more
  • core-pounding bass impact
  • Sealed enclosure withstands seasonal elements
  • Includes aluminum grille to protect the woofer against the elements
  • Paintable enclosure — easily match your landscape design
  • Includes waterproof IP66 rated junction box — easily connects
  • other outdoor speakers (approved for in-ground use)
  • Acoustically matched with Atrium SAT300 satellite speakers
  • Amplifiers and speaker wire sold separately.


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


Housed in a molded and sealed acoustically ideal resin enclosure and marine-certified with an 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 a 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.

Junction Box

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

Aluminum Grill

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

Designed to Blend In

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

Safety and Security

Includes 1 meter Cl3 rated 4 conductors direct burial pigtail cable. No exposed wiring gets in the way of the weed whacker.

Eye-bolt security anchor and screw-down points for added stability and security.


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.

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Included Accessories

  • (1) Weatherproof Aluminum Grille
  • (1) Waterproof IP68 Rated Junction box
  • (4) Wire Nuts
  • (1) Owner’s Manual


Carton 1 :  14.75″ (37.47 cm) h x 20.75″ (52.71 cm) w x 20.25″ (51.44 cm) d – 20.25 lbs (9.19 kg)


  • Total Pieces :  1
  • Subwoofer Array Driver Enclosure Type : Acoustic Suspension with Color-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 meter) : 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 : Horizontal


Mounting Type : Keyhole Slots

Available Orientations : Horizontal

Get in Touch

    Office Address

    PRO FX Tech Pvt Ltd
    Barton Centre,
    Ground Floor, M.G.Road,
    Bengaluru - 560001

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