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These voice-matched height channel modules can be wall-mounted, or placed atop compatible Polk Audio Reserve Series speakers. They connect to your receiver’s “height” channels so you can experience overhead sound effects without having to install in-ceiling speakers. A home theater receiver with Dolby Atmos is required for operation.

Polk Audio Reserve R900 speakers are compatible with the following speakers:

Product highlights:

  • pair of height channel speaker modules
  • 3/4″ Pinnacle ring radiator tweeter
  • 4″ Turbine Cone™ midrange driver
  • vertical transducer array allows placement on-wall or directly on top of a compatible Reserve speaker
  • connect to a Dolby Atmos-compatible home
  • theater receiver’s height channels for power and signal
  • frequency response: 70-32,000 Hz (when wall-mounted)
  • sensitivity: 85.5 dB (when wall-mounted)
  • nominal impedance: 4 ohms


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