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Polk Signature Elite ES20 Bookshelf Speakers

Polk Audio


  • High-resolution ready
  • Enjoy loud lows with less distortion
  • Unique technology for superior sound
  • Ready for your amplifier or receiver


Powerful & Immersive Hi-Res Audio for Movies, TV, Music & Games

Enjoy movies, music and gaming with high-resolution, full-range hi-fi and cinematic sound. Polk’s high-performance S20 bookshelf loudspeaker features a Dynamic Balance acoustic array, precision crossovers and Power Port bass enhancing technology. Hi-Res Audio Certified and accessibly priced, Signature Elite S20 fulfills the Polk promise of great sound for all.

Hear More Detail in Music and Movies You Love

ES20’s Hi-Res Audio Certified, Terylene dome tweeter provides crystalline highs (40kHz+) ideal for enjoying high resolution music from services like Apple Music, Tidal, Amazon Music HD, Qobuz and Spotify HiFi, along with the soundtracks of the latest ultra-hd movies.

Effortless Bass

Polk’s patented Power Port design provides greater surface area and smoother air flow for more output and less distortion compared to conventional ported speakers. When paired with the S20’s beefy 6.5” woofer, that means effortless bass you can feel.

Make Your Entire Listening Room the Sweet Spot

You’ll experience a seamless, lifelike soundstage no matter where you’re seated thanks to Signature Elite S20’s Dynamically Balanced acoustic array with phase-optimized, precision crossovers.

From Vintage Hi-Fi to Dolby Atmos & DTS:X

S20 delivers spacious, clear, enveloping and realistic sound reproduction from nearly any amplifier or receiver—whether 4 or 8 ohm, vintage audiophile or the latest Dolby Atmos or DTS:X surround sound AVRs.

Weight 16000 g
Dimensions 351 × 216 × 376 mm


Black, Brown

Height 14.8″ (37.59 cm)
Width 8.5″ (21.59 cm)
Depth 13.8″ (35.05 cm)
Weight 17 lbs (7.71 kg)
Driver Enclosure Type PowerPort Bass Vented
Driver Complement • (1) 6.5″ (16.51 cm) d (Round) low distortion mica-reinforced polypropylene cones – Mid/Woofer
• (1) 1″ (2.54 cm) d (Round) high-resolution Terylene – Tweeter
Nominal Impedance 88 dB
Total Frequency Response 39 Hz → 40000 Hz
Recommended Amplifier Power Per Channel 20 watts → 125 watts


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