Polk Audio Signature Elite ES12, subwoofer

The Polk Audio Signature Elite ES12 is a high-end 12-inch subwoofer designed to enhance the largest home theater and music systems. Equipped with a powerful Class D amplifier, advanced Power Port™ technology and Time-Smart Phase Control, this subwoofer delivers powerful, deep and clear bass that you can not only hear, but also feel. Its elegant design blends easily into any interior, and its slim body allows it to be placed almost anywhere.

Powerful bass – 12-inch long-throw woofer produces deep and well-defined sound down to 18 Hz.
Advanced amplifier – 300W RMS Class D amplifier delivers dynamic and clear sound at any volume level.
Dual Power Port™ System – Reduces noise and distortion, delivering clean and smooth bass reproduction.
Time-Smart Phase Control™ - advanced phase control technology makes it easier to integrate the subwoofer with other audio system components.
Acoustically optimized cabinet – A robust, reinforced design reduces unwanted vibrations and resonances, resulting in clean and accurate bass.
Flexible placement – ​​the front-facing subwoofer placement allows it to be placed close to walls or even on shelves while maintaining impeccable sound quality.

The 12" Signature Elite ES12 subwoofer enhances the largest home-theater and music systems. Equipped with a robust Class D amplifier, Power Port™ technology, and Time-Smart Phase Control, the ES12 delivers impactful bass with unparalleled precision. Its sleek cabinet complements Signature Elite systems and fits anywhere.

Forward-firing long-throw 12" woofer
Acoustically optimized cabinet
Two internal Power Ports
Advanced DSP
Time-Smart Phase Control

Impactful bass for expansive soundscapes
Enhances the largest home-theater and music systems—from stereo to full Atmos—with deep, immersive bass you'll feel in your bones.

Seamless sound
Sophisticated settings like Time-Smart Phase Control make system blending effortless, for smooth, even sound.

Fits anywhere
With a narrow cabinet and front-firing orientation, the ES12 sounds great anywhere—even against walls and on shelves.

High-powered amplifier
Provides power and control to deliver impactful bass that fills the largest rooms, offering definition, dynamics, and clarity at any volume.

Forward-firing long-throw woofer
A front-facing, high-excursion 12” woofer produces deep, defined lows down to 18 Hz. It's the difference between bass you hear and bass you feel.

Acoustically optimized cabinet
A rigidly built, ported cabinet is reinforced with FEA-optimized internal bracing that minimizes resonances and coloration, ensuring clean, effortless reproduction of low-frequency detail.

Technical features
12" mineral-filled polypropylene cone woofer, Dual Power Port®
Audio Inputs
LFE (RCA), Stereo line level (2 RCA)
Frequency Response (-3dB)
22Hz - 250Hz
Frequency Response (-10dB)
18Hz - 350Hz
Low Pass Filter Adjustment Range
50-160Hz
Phase Adjustment Range
-135° to 180° in 45° increments
Dimensions (H x W x D) inches
19 x 14.3 x 19 inches.
Available colors Black
Product weight 47.6 lbs/21.6 kg

User manual (EN)