Polk Audio Fxi-A4 Bipole Surround Speakers

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Polk Audio


Polk Audio Fxi-A4 Bipole Surround Speakers

The F/XiA4's engine is the dual Dynamic Balance® 1-inch dome tweeter design and a 5 1/4-inch Dynamic Balance driver that produces believable real-life effects at prodigious volumes. The selectable bipole/dipole function allows you to configure it to your space and 7.1 systems. The smaller cabinet enables it to fit in more places.

Key Features 

  • The trapezoidal shaped cabinets aim the drivers and tweeters in opposing directions to produce a more realistically diffuse wavefront and wide, lifelike imaging of surround sound. Keyhole slots make mounting a snap.
  • With the flip of a switch, our dipole/bipole circuitry changes the soundfield from direct to indirect radiation patterns enabling you to place the surround speaker beside or behind you depending on your listening room setup.
  • Klippel motor optimization uses laser measurement technology to ensure a smooth excursion path at either end of the volume spectrum for uniform performance at both low and high volumes.
  • Polk's proprietary, patented Dynamic Balance technology allows our engineers to design out distortion-causing driver and system resonances, so you only hear the good sounds.
  • Durable, computer-modeled, injection-molded butyl rubber surrounds suppress unwanted cone resonances for a lifetime of reliable sound.
  • The F/XiA Cascade Tapered Crossover eliminates the comb filtering and beaming, common to multi-driver speakers, which degrades the quality of the audio and collapses the soundstage.
  • Patented Acoustic Resonance Control® (ARC) technology suppresses cabinet resonance that causes distortion to ensure clear and natural sound.
  • Computer-modeled anti-diffraction grilles enhance the good looks while minimizing sonic interference.
  • All Polk loudspeakers are timbre-matched within their series, designed with the same components throughout, to achieve seamless speaker-to-speaker blending effects in multi-channel systems.
  • Gold-plated, professional-style 5-way binding posts offer the most secure connection options.

 


Specifications

  • Orientation
    Horizontal
  • Height
    12" (30.48 cm)
  • Width
    11.375" (28.89 cm)
  • Depth
    7.437" (18.89 cm)
  • Weight
    9 lbs (4.08 kg)
  • Driver Enclosure Type
    Acoustically Tuned Vent
  • Driver Complement
    • (1)  5.25" (13.34 cm) d (Round) Dynamic Balance driver with polymer composite cone and rubber surround - Mid/Woofer
    • (2)  1" (2.54 cm) d (Round) Dynamic Balance silk polymer composite dome - Tweeter

ON-WALL MOUNT

  • Mounting Type
    Keyhole Hanger
  • Available Orientations
    Horizontal

AUDIO QUALITY

  • Total Frequency Response
    50 Hz → 27,000 Hz
  • Nominal Impedance
    8 ohms
  • Lower and Upper -3dB Limits
    60 Hz → 26,000 Hz

INPUTS

  • Audio Inputs
    • Speaker Inputs
      (1) Pair of 5-way Binding Posts - Gold Plated

    EXTERNAL AMPLIFIER

    • Recommended Amplifier Power Per Channel
      20 watts → 150 watts

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