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.

Larger-than-life bass with unrivaled precision
Two Polk Power Ports minimize turbulence, reducing noise and distortion that mask midrange clarity.

Product info:
12″ long-throw, high-excursion woofer
front-firing mineral-filled polypropylene cone
built-in 300-watt Class D amplifier
advanced, high-resolution digital signal processing
bass-reflex (ported) enclosure
dual front-firing Power Ports™ minimize turbulence for clean bass
cabinet reinforced with FEA-optimized internal bracing for accurate low-frequency detail
frequency response: 22-250 Hz (-3dB)
variable low-pass crossover (50-160 Hz)
adjustable phase control: -135° to 180° in 45° increments
power-saving mode with auto-sensing to reduce power consumption
Connections:
mono-RCA LFE input
line-level stereo RCA input