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Polk Audio DSW Pro 660 12-Inch High Performance Subwoofer-DSW Pro 660wi

Model #: DSW Pro 660wi
Polk Audio
At a Glance

Our biggest, most powerful subwoofer creates deep, room-filling bass. 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
$699.00Save $NaN

Get to know this product.

Real Big Bass

The DSW PRO 660 wi delivers more deep bass impact without cramping your style. Our most powerful subwoofer features a 400 Watt continuous intelligent digital amplifier to move its 12" Dynamic Balance® driver, filling even the biggest rooms with waves of tight bass. Experience thunderous explosions, powerful bass effects and precise musical bass response from a large subwoofer that still keeps a low profile.

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 toggle 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


RemoteSubwoofer Remote
Remote TypeInfrared (IR)
Remote FeaturesOn/Off, Mute, Volume +/-, Phases 0, 90, 180, 270, Night Mode, LED, Reset, Polk Room Optimizer Settings: Cabinet, Corner, Mid-Wall, Mid-Room
Optional Accessories(1) DSW Pro 600 Grille - For Front-Firing Orientation - Sold Separate


Electronics Warranty3 years
Drivers Warranty5 years
Original Purchaser OnlyYes

Shipping Cartons

Carton 121.5" (54.61 cm) h x 21.25" (53.98 cm) w x 21.25" (53.98 cm) d - 53 lbs (24.04 kg)


Total Pieces1
Height17.13" (43.51 cm)
Width16.5" (41.91 cm)
Depth16.5" (41.91 cm)
Weight45 lbs (20.41 kg)
Subwoofer Array Driver Enclosure TypeDownward Firing Slot Port
Subwoofer Array Driver Complement(1) 12" (30.48 cm) d (Round) Dynamic Balance polymer composite cone driver - Subwoofer

Internal Amplifier

Power400 Watts

Audio Quality

Lower and Upper -3dB Limits25 Hz to 125 Hz

Misc. Specs

Product Weight45
Depth (in.)16.5
Width (in.)16.5
Height (in.)17.1
Woofer Size12
Enclosure TypePorted
Speaker TypePowered Subwoofers
Firing DirectionDown
Phase SwitchNo
Frequency Response20Hz-160Hz
Manufacturer Warranty5 Year Parts & Labor / 3 Year the Electronics
Peak Power800
Speaker Size12
Rms Power Handling400
Peak Power Rating (Watts)800
Subwoofer Size12
WarningProposition 65 Warning for California Residents