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Polk Audio® Black 5.25" Bipole Surround Loudspeaker

Model #: FXiA4

At a Glance

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.

WarningProposition 65 Warning for California Residents
Polk Audio® Black 5.25" Bipole Surround Loudspeaker

Connections

Connection TypeGold-Plated Pair of 5-way Binding Posts

Other

Sold AsPair

Specifications

Frequency Response50 Hz - 27,000 Hz

Overall

Total Pieces2

Shipping Cartons

Carton 116" (40.64 cm) h x 19.5" (49.53 cm) w x 14.5" (36.83 cm) d - 24 lbs (10.89 kg)

Inputs

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

External Amplifier

Recommended Amplifier Power Per Channel20 watts ? 150 watts

On-Wall Mount

Mounting TypeKeyhole Hanger
Available OrientationsHorizontal

Construction

Enclosure TypeAcoustically Tuned Vent
Tweeter CompositionSilk
Driver Component Size5.25"

Warranty

Cabinet Warranty5 years
Drivers Warranty5 years
Original Purchaser OnlyYes

Audio Quality

Total Frequency Response50 Hz ? 27,000 Hz
Nominal Impedance8 ohms
Lower and Upper -3dB Limits60 Hz ? 26,000 Hz

Misc. Specs

Product Weight (lbs.)9
ColorBlack; White
Connector Type5-way Binding Post Connectors
Impedance8 ohms
Depth (in.)7.44
Height (in.)12
Width (in.)11.38
Woofer Size5.25

Surround Loudspeaker

Quantity IncludedPair
AvailabilityUS
OrientationHorizontal
Height12" (30.48 cm)
Width11.375" (28.89 cm)
Depth7.437" (18.89 cm)
Weight9 lbs (4.08 kg)
Driver Enclosure TypeAcoustically 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

Polk Audio® Black 5.25" Bipole Surround Loudspeaker

Model #: FXiA4
Call for Best Price

At a Glance

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.

Get to know this product.

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.

Useful Documents
Specifications

Connections

Connection Type:Gold-Plated Pair of 5-way Binding Posts

Construction

Enclosure Type:Acoustically Tuned Vent
Tweeter Composition:Silk
Driver Component Size:5.25"

Other

Sold As:Pair

Specifications

Frequency Response:50 Hz - 27,000 Hz

Overall

Total Pieces2

Warranty

Cabinet Warranty5 years
Drivers Warranty5 years
Original Purchaser OnlyYes

Shipping Cartons

Carton 116" (40.64 cm) h x 19.5" (49.53 cm) w x 14.5" (36.83 cm) d - 24 lbs (10.89 kg)

Surround Loudspeaker

Quantity IncludedPair
AvailabilityUS
OrientationHorizontal
Height12" (30.48 cm)
Width11.375" (28.89 cm)
Depth7.437" (18.89 cm)
Weight9 lbs (4.08 kg)
Driver Enclosure TypeAcoustically 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 TypeKeyhole Hanger
Available OrientationsHorizontal

Audio Quality

Total Frequency Response50 Hz ? 27,000 Hz
Nominal Impedance8 ohms
Lower and Upper -3dB Limits60 Hz ? 26,000 Hz

Inputs

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

External Amplifier

Recommended Amplifier Power Per Channel20 watts ? 150 watts

Misc. Specs

Product Weight (lbs.)9
ColorBlack; White
Connector Type5-way Binding Post Connectors
Impedance8 ohms
Depth (in.)7.44
Height (in.)12
Width (in.)11.38
Woofer Size5.25
WarningProposition 65 Warning for California Residents