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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.
Internal power port
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.
Advanced dsp
High-resolution 32-bit floating point processing with group delay-minimizing filters and precision limiters enables clearer bass with crisper transients.
Time/Smart phase control
Time-Smart Phase Control provides 360 degrees of phase adjustment centered around lowpass filter settings, ensuring precise system blending. Adjust polarity in 45-degree increments, displayed on LED indicators.
4th/order lowpass filter
An adjustable 4th-order lowpass filter provides precise frequency control, for seamless integration with main speakers and superior overall system performance with open, balanced lows and mids.
Power/save mode
An auto-sensing power supply reduces power consumption when the subwoofer is not in use.
Specifications
Technical features 8″ mineral-filled polypropylene
cone woofer
Power Port®
Audio inputs LFE (RCA)
Stereo line level (2 RCA)
Continuous amplifier power 100W (Class D)
cone woofer
Power Port®
Audio inputs LFE (RCA)
Stereo line level (2 RCA)
Continuous amplifier power 100W (Class D)
Frequency response (-3dB) 32 Hz–180 Hz
Frequency response (-10dB) 28 Hz–400 Hz
Lowpass filter adjustment range 50–160 Hz
Phase adjustment range -135° to 180° in 45° increments
Item Dimensions (H × W × D) 15.1 × 12.8 × 15.2 in.
383 × 325 × 386mm
Neto weight 12.6kg
Frequency response (-10dB) 28 Hz–400 Hz
Lowpass filter adjustment range 50–160 Hz
Phase adjustment range -135° to 180° in 45° increments
Item Dimensions (H × W × D) 15.1 × 12.8 × 15.2 in.
383 × 325 × 386mm
Neto weight 12.6kg
Package Contents: Polk Audio Subwoofer Signature Elite ES8, Black; Power cable; Grille; Manual.
