Polk Audio Signature Elite ES12 Subwoofer
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Experience deep, room-shaking bass that brings movies, music, and gaming to life. The Polk Audio Signature Elite ES12 subwoofer features a powerful 12" long-throw woofer, robust Class D amplifier, and advanced DSP technology to deliver impactful low-frequency performance for even the largest home theater systems. With dual internal Power Ports and Time-Smart Phase Control, the ES12 produces clean, distortion-free bass that seamlessly integrates with your speakers.
Key Features
- 12" mineral-filled polypropylene cone woofer for deep, powerful bass
- Dual internal Power Port® technology for enhanced low-frequency output
- Advanced DSP with Time-Smart Phase Control for seamless system integration
- Robust Class D amplifier for efficient, high-output performance
- Front-firing design fits anywhere—even against walls and on shelves
- Acoustically optimized cabinet minimizes resonance and distortion
- Multiple input options: LFE (RCA) and stereo line-level (2 RCA)
- Adjustable low-pass filter (50-160 Hz) and phase control (-135° to 180°)
Impactful Bass for Expansive Soundscapes
The ES12 enhances the largest home theater and music systems—from stereo to full Dolby Atmos configurations—with deep, immersive bass you'll feel in your bones. Whether you're watching explosive action sequences or listening to bass-heavy music, the ES12 delivers the low-frequency impact that makes content come alive.
Seamless Sound Integration
Sophisticated settings like Time-Smart Phase Control make system blending effortless, ensuring smooth, even sound across your entire frequency range. The adjustable crossover and phase controls allow you to perfectly match the ES12 with any speaker system for cohesive, natural-sounding bass.
Fits Anywhere
With its narrow cabinet and front-firing orientation, the ES12 sounds great anywhere—even against walls and on shelves. The sleek black finish complements any décor and pairs beautifully with Signature Elite speakers.
Technical Specifications
| Specification | Details |
|---|---|
| Driver | 12" mineral-filled polypropylene cone woofer |
| Amplifier Type | Class D |
| Bass Enhancement | Dual internal Power Port® |
| Frequency Response (-3dB) | 22 Hz – 250 Hz |
| Frequency Response (-10dB) | 18 Hz – 350 Hz |
| Low Pass Filter Range | 50 Hz – 160 Hz (adjustable) |
| Phase Adjustment Range | -135° to 180° in 45° increments |
| Audio Inputs | LFE (RCA), Stereo line-level (2 RCA) |
| Driver Orientation | Front-firing |
| Dimensions (H × W × D) | 19" × 14.3" × 19" (48.26 cm × 36.32 cm × 48.26 cm) |
| Available Colors | Black |
| Warranty | 5-year limited warranty |
Why Choose Polk Audio?
Since 1972, Polk Audio has been delivering award-winning sound quality backed by rigorous testing and a commitment to excellence. The Signature Elite ES12 represents over five decades of acoustic innovation, ensuring you get powerful, precise bass that transforms your entertainment experience.
Caring for your Speakers and Amplifiers
To Keep your equipment safe these are some best practices to note. Please be advised that this is only to reduce the risk of misuse and is not an exhaustive list.
Speakers
- Speaker terminals are marked red and black, ensure your amplifier to the speakers are wired on the same colours
- Ensure no loose speaker wire from the red touches a loose wire from the black as this will lead to a short circuit and damage either the speaker, the amplifier or both.
- Not all speakers are designed to play at max volume, kindly consider the pairing of your amplifier and speakers
- Speaker cabinets cannot be replaced please handle with care.
AV & Stereo Amplifiers
- If your amplifier has HDMI ports, ensure all devices are off before plugging in the HDMI cable
- Turn off the amplifier before swoping out or adding speaker cable
- Amplifiers generate heat, place them in a well ventilated space. if possible avoid having anything on top of the unit.
- adding a surge protector can assist with power dips which are likely to damage your devices. Isotek and Furman are industry standard.
- Dusty environments can sometimes lead to accumulation of dust in the electronic components that might affect heat regulation
Shipping & Returns
- Free shipping on orders over R500 within the country.
- Standard delivery within 2–5 business days. Delays will be communicated. This might vary slightly depending on your location.
- Return items in original condition for a full refund. (unopened state)
- Returns that are open/unboxed will be subject to a handling fee. Refunds will only be processed after testing the unit.