Polk Audio HTS 12 – 12″ Powered Subwoofer


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Deep Bass for Home Theater and Music

Whether you’re installing a new set of surround or ATMOS speakers, adding a second subwoofer for the ultimate home theater experience, or just need more core-pounding impact from your favorite music, the HTS 12 delivers the powerful bass you crave with its long-throw 12” driver, patented Power Port® technology and 400W Class D amplifier.


Patented Power Port® Technology

The Power Port® floor-firing design smoothly transitions air flow from the speaker into your listening area for deep, extended bass impact while minimizing turbulence, distortion, and port noise. At the port tuning frequency, Power Port® equipped subwoofers have 3dB less port noise than similarly configured subwoofers without Power Port®.


Dynamic Balance Driver

Front-firing 12” driver with our patented Dynamic Balance technology is Klippel optimized to provide clean, clear bass, better linearity, lower distortion and greater durability.


American Modern Styling

Curved edges offer a sensual yet powerful look that fits with any home decor—available in a stunning black washed walnut or classic brown walnut finish.



(1) Removable Grille

(1) Power cord

(1) Quick Start Guide

(1) Registration card


    1 years

Total Pieces



18.5″ (46.99 cm)


17.126″ (43.5 cm)


18.11″ (46 cm)


49.9 lbs (22.63 kg)

Subwoofer Array Driver Enclosure Type

Power Port Bass Vented

Subwoofer Array Driver Complement

(1)  12″ (30.48 cm) d (Round) Polypropylene Dynamic Balance and Klippel optimized driver – Subwoofer

Peak Power

400 Watts

Continuous Power

200 Watts

Total Frequency Response

22 Hz → .180 Hz

Nominal Impedance

8 ohms

Lower and Upper -3dB Limits

28 Hz → .120 Hz

IO Button Location

Back Panel


Volume +/-

Low Pass Filter (40Hz-160Hz)

Phase (0/180°)

Power: Auto on/off

Power: DC control (12V trigger)

Audio Inputs

LFE (Unfiltered)

Stereo Line Level – (2) RCA


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