Enjoy movies, music and gaming with high-resolution, room-filling, cinematic sound and effortless bass. Polk’s high-performance ES50 floor-standing loudspeaker is Hi-Res Audio Certified, Dolby Atmos & DTS:X compatible, and features a Dynamically Balanced acoustic array, precision crossovers and Power Port bass-enhancement.

Powerful & immersive hi-res audio for movies, tv, music & games

The Signature Elite ES50 floor-standing tower speakers provide a truly balanced, cinematic sound that will maximize your sonic experience no matter what type of content you play.

High-resolution sound

hear more detail in music and movies you love

ES50’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 ES50’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 ES50’s dual 5.25” woofers, that means effortless bass you can feel.


from vintage hi-fi to dolby atmos & dts:x

ES50 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.

Key Technologies

Hi-Res Audio Certified Polk products deliver an immersive listening experience, capturing the nuances and subtleties of high-quality audio recordings, and providing an enhanced level of audio fidelity.

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.

Cabinets, braces and internal enclosures are carefully engineered to minimize unwanted internal standing waves and eliminate unwanted resonances.

Proudly engineered and designed in Baltimore, Maryland, Polk products are crafted to meet high standards of quality, performance, and reliability, ensuring a premium audio experience that is the pinnacle of American Hi-Fi.

The Terylene dome tweeter works in concert with a powerful, low-resonance ceramic motor structure to present highly detailed sound past 40 kHz to maximize the enjoyment of high-resolution music.

Polk’s exclusive lightweight Dynamic Balance® Polypropylene Cones deliver spectacular midrange clarity, punchy bass and high efficiency.


Built for Pure Sound

A strong, rigid and acoustically inert enclosure built with critically damped Medite MDF and laser optimized bracing reduces internal standing waves and resonances for less coloration and distortion of your sound.

The ES50’s anti-diffraction, magnetic grille minimizes sonic interference and can be easily removed to provide a striking look.

Dual gold-plated five-way binding posts ensure the most direct, efficient, and lossless connection possible.

Signature Elite ES50

Details &

  • Qty Included 1
  • Height 37.4" (95 cm)
  • Width 7.5" (19.1 cm)
  • Depth 10.9" (27.7 cm)
  • Weight 32 lbs (14.5 kg)
  • Driver Complement • (1) 1" (2.54 cm) d (Round) Terylene High-Res Dome Tweeter
    • (2) 5.25" (13.34 cm) d (Round) Dynamic Balance Mica Reinforced Polypropylene Drivers
  • Total Frequency Response 42 Hz → 40,000 Hz
  • Recommended Amplifier Power Per Channel 20 watts → 150 watts
  • Sensitivity (1 watt @ 1 meter) 89 dB
  • Impedance Compatible with 4 and 8 ohm outputs
  • Inputs Dual gold-plated 5-way binding posts
  • Crossover Frequency 2,500 Hz
    Your Cart
    Your cart is empty