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Polk Audio DSW PRO 440 8-Inch High Performance Subwoofer-DSW Pro 440wi

Model #: DSW Pro 440wi
Polk Audio
At a Glance

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

Available in Store Only
$449.00Save $NaN

Get to know this product.

  • Feed forward distortion suppression tech enables performance limits to be set much higher than normal without risk of excessive 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.

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.



Total Pieces1


Remote TypeInfrared (IR)
Remote FeaturesPower On/Off, Mute, Volume +/-, Phases: 0, 90, 180, 270, Night Mode, LED, Reset, Polk Room Optimizer: Cabinet, Corner, Mid-Wall, Mid-Room
Optional Accessories(1) DSW Pro 400 Grille - For Front-Firing Orientation - Sold Separate


Electronics Warranty3 years
Drivers Warranty5 years
Original Purchaser OnlyYes

Shipping Cartons

Carton 118.5" (46.99 cm) h x 17.75" (45.09 cm) w x 17.5" (44.45 cm) d - 36 lbs (16.33 kg)


Total Pieces1
Height14.63" (37.16 cm)
Width13.75" (34.93 cm)
Depth13.75" (34.93 cm)
Weight30 lbs (13.61 kg)
Subwoofer Array Driver Enclosure TypeDownward Firing Slot Port
Subwoofer Array Driver Complement(1) 8" (20.32 cm) d (Round) Dynamic Balance Polymer composite cone driver - Subwoofer

Internal Amplifier

Power180 watts

Audio Quality

Lower and Upper -3dB Limits30 Hz to 125 Hz

Misc. Specs

Product Weight30
Depth (in.)13.75
Width (in.)13.75
Height (in.)14.63
Woofer Size8
Enclosure TypePorted
Speaker TypePowered Subwoofers
Firing DirectionDown
Phase SwitchNo
Frequency Response25Hz-160Hz
Manufacturer Warranty5 Year Parts & Labor / 3 Year the Electronics
Speaker Size8
Rms Power Handling180
Subwoofer Size8
WarningProposition 65 Warning for California Residents