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Polk Audio Signature Elite ES55
High-Quality Floor-Standing Tower Speaker with POWER PORT®
Enjoy movies, music and gaming with high-resolution, room-filling, cinematic sound and effortless bass. Polk’s high-performance ES55 floor-standing loudspeaker is Hi-Res Audio Certified, features a Dynamically Balanced acoustic array, precision crossovers and Power Port bass enhancing technology.
- Dual 6.5" Dynamic Balance® polypropylene woofers
- 1" Hi-Res Audio certified Terylene Dome tweeter
- Power Port® for enhanced bass
- Low-resonance critically braced Cabinet
Powerful & immersive hi-res audio for movies, tv, music & games
Enjoy movies, music and gaming with high-resolution, room-filling, cinematic sound and effortless bass. Polk’s high-performance ES55 floor-standing loudspeaker features a Dynamically Balanced acoustic array, precision crossovers and Power Port bass enhancing technology. Hi-Res Audio Certified and accessibly priced, Signature Elite ES55 fulfills the Polk promise of great sound for all.
hear more detail in music and movies you love
ES55’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 and Qobuz, along with the soundtracks of the latest ultra-hd movies.
make your entire home theater the sweet spot
You’ll experience a seamless, lifelike soundstage no matter where you’re seated thanks to Signature Elite ES55’s Dynamic Balance mica-fortified, polypropylene woofers and 2.5-way cascaded crossover array.
Effortless Bass
Power Port is a Polk-patented design that smoothly transitions the airflow from the speaker’s port into the listening area to eliminate turbulence and distortion for louder, deeper, more musical bass and a more open and transparent midrange. When paired with the ES55’s dual 5.25” woofers, that means effortless bass you can feel.
Ready for your amplifier or receiver.
from vintage hi-fi to dolby atmos & dts:x
ES55 Towers deliver 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.
Dealers selling Polk Audio near you
The Polk Signature Elite ES55 towers deliver punchy, room-filling low end with a Power Port-enhanced, extended bass and articulate mids, while a 1" Terylene tweeter gives refined treble and airy detail to 40 kHz. StereoNET United Kingdom / Jay Garrett note upgraded drivers and crossover work, making these well-built towers a standout in mid-fi performance.
Pros
- Power Port plus dual 6.5" Dynamic Balance woofers deliver deep, controlled bass with claimed extension to ~33 Hz, giving strong low-frequency authority.
- 25mm Terylene high-res dome tweeter reaches to 40 kHz for airy, detailed treble and refined high-frequency extension.
- Upgraded linear drive units, improved crossover topology and a rigid, damped cabinet yield coherent mids, precise imaging and robust build quality.
Sound Quality
90/100
Bass
91/100
Dual 6.5" woofers in a Power Port vented cabinet with 33 Hz claimed response — strong low-frequency extension and authority for a mid-tower. Expect solid slam and room-filling bass without a sub for many listeners; sensitivity of 89 dB suggests reasonable drive requirements.
Mid
90/100
Two-way design with focused woofer/tweeter integration and a typical Polk voicing yields natural, well-textured mids and clear vocal presence. Coherent crossover (spec listed) and balanced driver complement support accurate timbre.
Treble
90/100
1" Terylene high-res dome tweeter and 40 kHz upper response point indicate extended, refined treble with air and detail without intrinsic harshness. On-axis brightness should be controlled given the dome choice.
Soundstage Imaging
89/100
Cabinet dimensions and driver layout support wide, well-layered staging with good image focus; placement and room will affect depth but overall imaging is a strength for the price class.
Dynamics
89/100
89 dB sensitivity and 40–200 W recommended amp range provide headroom for dynamic swings; delivers punchy micro- and macro-dynamics though not reference-level slam.
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Build Quality
90/100
Solid 44 lb cabinet, Power Port bass engineering and quality driver materials point to well-engineered enclosures and finish consistent with Polk's Signature Elite line.
Features Connectivity
80/100
Passive tower baseline applied. Dual gold-plated 5-way binding posts present; no DSP/app/streaming expected or penalized.
Value for Money
90/100
At a street price around $449 (each), the ES55s offer a very strong performance-to-price ratio — extended bass, refined treble and solid build make them a compelling value in the mid-fi tower segment.
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