The Signature Elite ES8 8" subwoofer enhances the low-end performance of compact home-theater systems. Equipped with a robust Class D amplifier, Power Port technology, and Time-Smart Phase Control, the ES10 subwoofer delivers balanced, impactful bass with unparalleled precision. Its sleek cabinet complements Signature Elite systems and fits anywhere.
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.
| Subwoofer Type | Active |
| Enclosure Type | Bass-Reflex |
| Subwoofer Power Rating | 100 W |
| Subwoofer Drivers | 1x 8" / 20.3 cm Polypropylene (Front-Firing) |
| Ports | 1 (Front-Firing) |
| Frequency Response | 32 to 180 Hz (-3 dB), 28 to 400 Hz (-10 dB) |
| Amplifier Class | Class-D |
| Inputs/Outputs | 1x RCA Input (LFE), 1x Stereo RCA Input, 1x USB-A Input (Service) |
| Phase Adjustment | -135 / -90 / -45 / 0 / 45 / 90 / 135 / 180° |
| Input Power | 100 to 240 VAC, 50 / 60 Hz |
| Dimensions | 12.8 x 15.1 x 15.2" / 325 x 383 x 386 mm |
| Weight | 27.8 lb / 12.6 kg |
Factory refurbished products are returned (or open box returned) product that have been refurbished and certified by Polk Audio to match the Polk performance, functionality, and reliability standards of new product. Refurbished products may have minor cosmetics blemishes and/or imperfections. The manual and accessories are included with most of our refurbished items. Cosmetic blemishes and imperfections are not covered by the warranty. Polk Audio, Inc., warrants to the original retail purchaser only. This warranty will terminate automatically prior to its stated expiration if the original retail purchaser sells or transfers the product to any other party.
Polk Audio, Inc., warrants, to the original retail purchaser only, that the HOME LOUDSPEAKER(S), and PASSIVE CROSSOVER COMPONENT(S) on this Polk Audio Loudspeaker Product will be free from defects in material and workmanship for a period of two (2) years (6 months on active components) from the date of original retail purchase from Polk Audio.
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