Polk Audio 500-LS Full-Range, High Performance, Bandpass Dual-Port 3-Way In-Ceiling Loudspeaker, Single

Polk Audio
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About Polk Audio 500-LS Loudspeaker

The Polk Audio 500-LS Full-Range, Bandpass, Dual-Port 3-Way In-Ceiling Loudspeaker features the exclusive wafer-thin Sheer-Grille, a magnetically secured grille that protrudes only 7 mm from its surroundings. Sheer-Grilles have nearly transparent, ultra-small perfs and are acoustically inert, for dynamic, unimpeded sound and more uniform coverage, even in larger rooms.

Reflective surfaces in rooms can make sound brighter and cause image distortion. Engaging the Vanishing reflective room compensation feature (by selecting the low setting) lowers the tweeter level to compensate for reflective surfaces. Vanishing reflective room compensation is a custom audio control that cuts the level only in the 4-5 kHz range, exactly where reflectivity destroys sound quality. Outside this narrow 1 kHz band, the tweeter retains its detailed and accurate high frequency response, for no loss of realistic musical details.

Polk Audio 500-LS Loudspeaker Features

  • The smallest-diameter full-range 3-way driver array delivers full-size speaker performance in a speaker the size of a small inset lighting fixture
  • Extra deep well design with a Cassini oval woofer mounted above and behind the main driver & tweeter array, for broad coverage and dynamic full-range audio performance in a small diameter built-in
  • Painted to match your decor, Vanishing Series built-in speakers are virtually indistinguishable from their surroundings
  • Enhanced, reengineered ring radiator tweeters extend top-end response for incredible details and realistic imaging
  • Vanishing wall distance toggle switch is a custom audio control that adjusts the crossover to flatten response and tune out boominess, without sacrificing deep bass response, for more lifelike sound and more flexible placement
  • PowerPort bass venting is Polk's patented design for smoothly transitioning the air flow from the port into your listening area, eliminating turbulence and distortion, for bigger, more efficient, deep bass impact
  • Easy one-cut, drop-in installation puts built-in audio within reach, with Perfect Fit templates, a precision flange and (available) pre-construction brackets; achieve secure, vibration-free efficiency with a simple turn of the patented Rotating Cam system

Polk Audio 500-LS Loudspeaker Specifications

Tweeter Type
Ring radiator
Tweeter Diameter
3/4" (1.91cm)
Midrange Type
2-1/2" (6.35cm)
Midrange Diameter
Dynamic Balance driver with aerated polypropylene cone
Subwoofer Type
Dynamic Balance woofer with mineral-filled polypropylene cone
Subwoofer Diameter
5" (12.70cm)
Total Frequency Response
Upper -3dB Limit
29 kHz
Lower -3dB Limit
48 Hz
Nominal Impedance
8 ohms
89 dB
Recommended Amplifier Power
10-125 watts per channel
Gold-plated spring-loaded posts
Mounting Depth (assumes 1/2)
8.87" /22.54cm
Dimensions (D x Dia)
23.81 x 19.68cm/9.37 x 7.74"
Mfr #
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