Polk Audio LSi M702 F/X Speaker Surround / Rear | Viral Audio
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Polk Audio LSi M702 F/X Speaker Surround / Rear | Viral Audio
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Polk Audio LSi M702 F/X Speaker Surround / Rear


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Polk Audio LSi M702 F/X Speaker Surround / Rear

When it rains, it really pours, especially with the LSiM702F/X providing the surround sound ambience in your theater! Even in the largest rooms, you can surround yourself with lifelike ambience and effects from this beautiful speaker. The offset dynamic sonic engine, powers a massive palette of full-range surround sound that can be customized to your space.

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Serious Surround for Serious Home Theaters
The LSiM702F/X is the standard by which surround effects loudspeakers will be judged. This speaker features one 6 1/2-inch mid-woofer for deep low frequency response (in conjunction with a PowerPort® bass venting system for even deeper bass). Also, one 3 1/4-inch midrange driver of lightweight super cell aerated polypropylene and a specially aimed 1-inch ring radiator tweeter for superior surround ambience and detail. A purpose designed semi-circular, wall-mounted surround speaker, the LSiM702F/X is timbre-matched to the LSiM Series and powerful enough to keep up in complete LSiM home theater speaker arrays.

LSiM702F/X Features:
Extreme surround performance and maximum placement flexibility, customized for any room with the wall distance setting that tailors response to compensate for proximity to corners or nearby walls, reducing “boominess” while maintaining deep bass effects and realistic surround ambience.

Polk’s exclusive dynamic sonic engine design optimizes the midrange driver and the ring radiator tweeter in separate interior chambers for improved transient response, superior imaging and greater horizontal off-axis response.

Enhanced, reengineered ring radiator tweeters extend top-end response for incredible details and realistic imaging.

Our innovative overhung voice coil design augments the excursion length for subwoofer drivers, increasing their power-handling capabilities and enhancing bass response.

Extended Linear Motion voice coil design allows lots of movement in a limited space, eliminating impedance and extending mid- and high-frequency response.

Lightweight, rigid cast aluminum baskets are designed for precision motor alignment with unobstructed linear movement and ample venting.

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.

Our super cell aerated polypropylene cone is the ideal balance of lightweight stiffness (for more efficient action with less distortion-causing flex) and superior damping properties.

Durable, computer-modeled, injection-molded butyl rubber surrounds suppress unwanted cone resonances for a lifetime of reliable sound.

Exclusive, patented Orth crossovers increase lower-order power handling and smooth the impedance curve, for more efficiency and better high frequency response.

High quality, heavy duty LSiM enclosure construction features 1.0″ MDF on the sides, 3/4″ MDF on the back and bottom and 1 1/4-inch baffles with substantial internal bracing and separate interior cabinetry for each driver. These exceptionally robust materials efficiently eliminate cabinet resonances and standing waves for less distortion and more dynamic transparency.

Beautiful furniture-grade hardwood veneer cabinet finishes, with sleek trim accents and no visible screws.

Super-thin zero-diffraction grilles lock in place magnetically, and never obscure your sound.

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.

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.

Dual gold-plated, professional-style 5-way binding posts, for the most secure connection options.

Dual binding posts allow bi-amp or bi-wire connections, for the ultimate in customized high performance audio.

All Polk products are made using the best materials and the most advanced manufacturing techniques. They pass the industry’s most exhaustive quality tests, including drop testing, extreme signal response and UV & salt exposure testing. Polk loudspeakers are built to perform for a lifetime.

Driver Complement
  • Tweeter
  • Quantity 1
  • Diameter 1″ (2.54cm)
  • Type Dynamic Balance enhanced ring radiator tweeter
  • Midrange
  • Quantity 1
  • Diameter 3 1/4″ (8.26cm)
  • Type Dynamic Balance driver with super cell aerated polypropylene cone
  • Mid / Woofer
  • Quantity 1
  • Diameter 6 1/2″ (16.51cm)
  • Type Dynamic Balance driver with super cell aerated polypropylene cone
  • Electrical
  • Total Frequency Response 40Hz-40kHz
  • Upper -3dB Limit 30 kHz
  • Lower -3dB Limit 55 Hz
  • Nominal Impedance 8 ohms
  • Efficiency 88 dB
  • Crossover
  • Tweeter/midrange
  • Crossover Frequency 2.4 kHz
  • Midrange/midbass
  • Crossover Frequency 240 Hz
  • Recommended Amplifier Power 20-200 watts per channel
  • Inputs Gold-plated binding posts
  • Dimensions
  • Enclosure Type
  • Mid-High Array Enclosure Type Sealed
  • Midwoofer Enclosure Type PowerPort bass venting
  • Mounting Options Keyhole slots for wall mounting; Pedestal for shelf mounting
  • Product Weight (each) 28.9 pounds
  • Warranty
  • Speaker Warranty 5 years parts and labor (original purchaser)