Polk Audio Atrium SUB100 Outdoor Subwoofer

Polk Audio  |  SKU: SUB100-T
£360.00 £649.00
Colour: Terracotta

Includes 5 Years Warranty + 60 Day Returns

Need Advice? Call 02393 190955

We’re more than just an online retailer. We’re passionate about audio and offering the best customer service in the industry.

Need some advice? Call our audio experts on 02393 190955, live chat or email us and we’ll help you make the best decision. Learn More

Spend £99 For Free Delivery

All orders to mainland UK over £99 are eligible for free standard delivery.

Need it fast? No problem, you’ll find express next day delivery rates available on most products. Learn More

Extended 60 Day Returns

We’re so confident that you’ll be happy with your purchase that we’ve extended our returns policy to 60 days. We call it the “Happy Sound Guarantee”.

If you’re not happy with your purchase for any reason simply send it back to us for a full refund. Learn More


With its 10" downward-firing long-throw dual voice coil driver, this heavy-duty all-weather outdoor subwoofer delivers deep bass to any outdoor space.


  • 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

Key Features

  • Type
  • Placement
  • Power Handling
    200 Ws
  • Impedance
    8 Ohms
  • Driver Size
  • Warranty
    5 Years


    • Dimensions: 279 x 406mm
    • Mounting Options: Keyhole slots for lock down on a deck; security eyebolt for garden placement
    • Subwoofer Enclosure Type: acoustic suspension
    • Driver Complement Subwoofer Type: Long-throw Dynamic Balance composite cone driver with dual voice coils and butyl rubber surround
    • Electrical - Lower -3dB Limit: 50Hz
    • Electrical - Nominal Impedance: 8 ohms per voice coil ohms
    • Electrical - Recommended Amplifier Power: 10-200 watts per channel
    • Electrical - Total Frequency Response: 40Hz-200Hz
    • Electrical - Upper -3dB Limit: 110Hz kHz
    • Electrical Crossover - Subwoofer Crossover: 150Hz
    • Included Accessories: Comes with three feet of pre-installed CL3 Burial-rated Cable

Payment & Security

Secure Payments

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Authorised Dealer

K&B Audio are authorised dealers for Polk Audio. All sales come with a 5 Years manufacturers warranty and full technical support.

Polk Audio Atrium SUB100 Outdoor Subwoofer - K&B Audio
Polk Audio

Polk Audio Atrium SUB100 Outdoor Subwoofer

£360.00 £649.00









Drive Type




Noise Cancelling




Music Sources






TV Connection


Smart Features


Cut-Out Diameter


Mounting Depth


Power Handling

200 Ws


8 Ohms

Driver Size







5 Years
View Product