Powerful bass, small footprint
Bring impactful bass to smaller spaces. Perfect for compact home theaters or music systems, or for apartment dwellers who crave deep lows.

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 ES8 subwoofer sounds great anywhere—even against walls and on shelves.

High-powered amplifier
Provides power and control to deliver impactful bass in compact spaces, offering defined lows, dynamics, and clarity at any volume.

Forward-firing long-throw woofer
A front-facing, high-excursion 8” woofer produces deep, defined lows down to 28 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.

The perfect complement to compact Signature Elite systems
A Polk Power Port minimizes turbulence, reducing noise and distortion that mask midrange clarity. Its front-firing configuration means accurate bass no matter where you place your subwoofer.

Product info:
8″ long-throw, high-excursion woofer
front-firing mineral-filled polypropylene cone
built-in 100-watt Class D amplifier
advanced, high-resolution digital signal processing
front-firing bass-reflex (ported) enclosure
Power Port™ minimizes turbulence for clean bass
cabinet reinforced with FEA-optimized internal bracing for accurate low-frequency detail
frequency response: 32-180 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