Polk Audio Signature S30 American HiFi Home Theater Center Speaker

Product Research


Dynamic Balance Drivers:
  • Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance.
  • Eliminating resonance in speakers results in a wide, smooth response and low distortion.
  • Using just the right materials enables Polk to eliminate issues that reduce speaker performance and tune out performance-robbing resonances before they occur.
  • Dynamic Balance ensures a rich, clean, full-range sound no matter what you're listening to.
  • The Polk Signature S30 center-channel loudspeaker incorporates a Dynamic Balance two-way driver array with one 1" tweeter and two 5.25" woofers.
Hi-Res 1" Terylene Tweeter:
  • The Signature S30 center-channel loudspeaker utilizes Polk's newly designed 1" Terylene tweeter to deliver clear and detailed high-end response for improved vocals in movies and music.
  • It will support high frequencies up to 40kHz to perfectly reproduce the latest high-resolution audio files with improved audio extension, earning Hi-Res Audio Certification.
Two 5.25" Mica-Reinforced Polypropylene Woofers:
  • The Signature S30 center-channel speaker employs two 5.25" Dynamic Balance low distortion mica-reinforced polypropylene midrange cone woofers for clean, clear bass, better linearity, and increased dynamic midrange.
  • These mica-reinforced polypropylene midranges feature butyl rubber surrounds, massive ceramic motor structures, and high-temperature Conex fiber spiders that combine to create drivers of exceptionally high efficiency, for clean, clear bass, better linearity, lower distortion, and greater durability.
Power Port Technology:
  • The Signature S30 center-channel incorporates Polk's Power Port technology with one specially designed rear-firing port.
  • Power Port technology smoothly transition air flow from inside the speaker into your listening area for deep, extended bass impact while minimizing turbulence and distortion.
  • Polk's patented Power Port technology delivers 3dB more bass response than a traditional ported speaker.
Non-Resonant Enclosure:
  • The center-channel speaker'sstrong, rigid and acoustically inert enclosure reduces unwanted internal standing waves for less audible coloration.
  • And non-resonant Meddite MDF construction, extra bracing, and a thick front baffle ensure a more lifelike sound.
  • The enclosure's curved edges not only look cool, they reduce standing waves inside the cabinet for less audible coloration.
  • The enclosure features a beautiful black washed walnut finish.
Anti-Diffraction Magnetic Grille:
  • The Signature S30 includes an anti-diffraction magnetic grille for unaltered sound.
  • The integrated magnets make it easy to attach and remove the grille from the center speaker.
Two-Way Crossover: 
  • The center-channel speaker employs a high-performance two-way cascading crossover array (2.5kHz) for seamless blending and optimum time alignment of the tweeter & woofers, creating a lifelike soundstage.
5-Way Binding Posts:
  • The center-channel loudspeaker features 5-way binding posts for a secure connection to your speaker wire.
  • The 5-way binding posts will accept bare wire (up to 10AWG), pin-connectors, spade-connectors, and banana plugs (single or dual).
  • The speaker terminals are color coded for easy identification between positive (red) and negative (black).
Application, Placement & Mounting Options:
  • The Signature S30's primary use is as a center-channel loudspeaker for home theater applications.
  • The Signature S30 can be mounted horizontally, under or above your flat-panel TV.
  • You can simply place the center-channel speaker on a table-top or shelf, or wall-mount the center-channel using its integrated keyhole slots on the back.
  • The included rubber increase the height of speaker by 0.125").
  • The center speaker does not include any type of provisions for wall-mounting.
Build a complete Signature system
  • Add more Polk Signature speakers for seamless surround sound.
  • Bookshelf speakers: Polk Signature S10, Polk Signature S15, and Polk Signature S20
  • Floor-standing speakers: Polk Signature S50, Polk Signature S55, or Polk Signature S60
  • Round out the low end with a Polk powered subwoofer.
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