8" High Performance Subwoofer

  • Compact subwoofer delivers smooth, powerful bass from anywhere in the room
  • Feed forward distortion suppression technology allows higher maximum output without distortion or damage
  • Innovative front-firing mode lets you place the subwoofer just about anywhere

Small Sub, Deep Bass

The DSW PRO 440 wi delivers solid low-frequency effects everywhere it goes. Whether placed in a corner or tucked away in a cabinet, this smart, powerful subwoofer gives you placement flexibility like nothing else. It’s the easiest way to add powerful impact to your compact speaker array or sleek SurroundBar® installation.

  • Product Specification
  • Support
Tech Specs


  • Total Pieces


  • Remote Type
    Infrared (IR)
  • Remote Features
    Power On/Off
    Volume +/-
    Phases: 0, 90, 180, 270
    Night Mode
    Polk Room Optimizer: Cabinet, Corner, Mid-Wall, Mid-Room
  • Optional Accessories
    • (1) DSW Pro 400 Grille - For Front-Firing Orientation - Sold Separate


  • Electronics Warranty
    3 years
  • Drivers Warranty
    5 years
  • Original Purchaser Only

Shipping Cartons

  • Carton 1
    18.5" (46.99 cm) h x 17.75" (45.09 cm) w x 17.5" (44.45 cm) d - 36 lbs (16.33 kg)


  • Total Pieces
  • Availability
  • Height
    14.63" (37.16 cm)
  • Width
    13.75" (34.93 cm)
  • Depth
    13.75" (34.93 cm)
  • Weight
    30 lbs (13.61 kg)
  • Subwoofer Array Driver Enclosure Type
    Downward Firing Slot Port
  • Subwoofer Array Driver Complement
    • (1)  8" (20.32 cm) d (Round) Dynamic Balance Polymer composite cone driver - Subwoofer

Internal Amplifier

  • Power
    180 watts

Audio Quality

  • Lower and Upper -3dB Limits
    30 Hz → 125 Hz

Key Features

Dynamic Balance®

Patented Polk Audio technology and construction techniques produce powerful, deep bass performance, especially when you need it most.

Klippel Distortion Analyzer

State-of-the-art optimizations to the motor structure, voice coil alignment and suspension ensure the best, most efficient performance at all volumes.

Expertly Crafted

Slot-loaded port design, lightweight polypropylene cones and durable rubber surrounds engineered for perfect volume, superior damping and deep, distortion-free bass response.

Maximum Efficiency

Proprietary intelligent amplifiers generate minimal heat and need less power to sound great, even at extreme listening levels.

Night Mode

Lower the subwoofer’s intensity quickly and easily—right from the remote control.

Exclusive PRO™ Technology

Polk Room Optimizer (PRO) features four-way phase selection, four presets and an easy-to-read, blue status LED so you can adjust your subwoofer for optimal performance without leaving your seat.

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