Polk Audio Signature Elite ES12 12" Powered Subwoofer
SKU: Polk Audio Signature Elite ES12Forward-firing long-throw 12" woofer
Acoustically optimized cabinet
Two internal Power Ports
Advanced DSP
Time-Smart Phase Control
Signature Elite ES12 Subwoofer
12" Signature Elite subwoofer
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
Room-filling bass for your biggest spaces
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.
Powerful Bass
High-powered amplifier
Provides power and control to deliver impactful bass that fills the largest rooms, offering definition, dynamics, and clarity at any volume.
Deep, Defined Lows
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.
Clean and Effortless Sound
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
Dual Power Ports
Two Polk Power Ports minimize turbulence, reducing noise and distortion that mask midrange clarity.
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.
Polk Audio Signature Elite ES12 12" Subwoofer
Technical features 12" mineral-filled polypropylene cone woofer
Dual Power Port®
Audio inputs LFE (RCA)
Stereo line level (2 RCA)
Frequency response (-3dB) 22 Hz–250 Hz
Frequency response (-10dB) 18 Hz–350 Hz
Lowpass filter adjustment range 50–160 Hz
Phase adjustment range -135° to 180° in 45° increments
Available colors Black
Item Dimensions (H × W × D)
19.0 × 14.3 × 19.0 in.
483 × 362 × 483mm
Product weight 47.6 lbs/21.6 kg