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Polk Audio Center Speakers

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Polk LSiM-704C The Smaller Center Channel Speaker

Model #: Polk LSiM-704C The Smaller Center Channel Speaker
UPC #: 747192121150


The All Star Center
Capable of making quite an impact in your home theater system. It produces the kind of wide, deep soundstage and life-sized imaging that puts you in the middle of the action on your TV's screen.

PowerPortฎ technology
Designed exclusively by Polk, this specially shaped "cone" at the mouth of the bass port directs moving air to eliminate bass-stealing turbulence. No turbulence means no wasted power, which means more efficient bass response.

High-quality tweeter performance
The ring radiator tweeter features several improvements from the version in the earlier LSi line. A slight reshaping of the tweeter's bullet-shaped phase plug allows it to move even farther out of the baffle, while a redesigned diaphragm has made the tweeter even more efficient.

Advanced driver material
The original LSi speakers featured a light, stiff mineral- filled polypropylene cone that was "puffed up" with injected air to form a honeycomb- like structure. The new super cell aerated polypropylene uses larger "puffed cells" to create a cone material that's thicker yet lighter than the original.

• Type : center channel
• Tweeter : 1" (25mm) enhanced Ring Radiator
• Midrange : 3 1/4" super cell aerated polypropylene
• Woofers : 5 1/4" super cell aerated polypropylene
• Frequency Response (-3dB limits) : 70 Hz - 30 kHz
• Overall Frequency Response : 40 Hz - 40 kHz
• Steady State Recommended Amp Power : 20 W - 200 W
• 2.83V Sensitivity : 88 dB
• Impedance : compatible w/ 8 Ohm outputs
• Midrange Enclosure Type : sealed
• Woofer Enclosure Type : dual PowerPort
• Dimensions W x H x D (greatest overall depth, grille) : 21 3/16" x 7 3/4" x 9 3/8" / 53.8 cm x 19.7 cm x 23.8 cm
• Product Weight (each) : 27.8 lbs (12.6 kg)
• Shipping Weight : 29.1 lbs (13.2 kg)

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