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Polk Audio LSiM Series Bookshelf Speaker

Model #: LSiM703

At a Glance

Polk Audio LSiM Series Bookshelf Speaker with Dynamic Balance® and our innovative overhung voice coil design

WarningProposition 65 Warning for California Residents
Polk Audio LSiM Series Bookshelf Speaker

Connections

Connector TypeDual gold-plated binding posts

Styling

ColorCherry; Midnight Mahogany

Other

Crossover Type300 Hz
Sold AsEach

Construction

Enclosure TypeDynamic Balance driver with super cell aerated polypropylene cone
Tweeter CompositionSilk Radiating
Midrange Size3.25
Midrange CompositionPolypropylene Polymer
Woofer Composition Polypropylene Cone

General Specs

Product Weight (lbs.)29.6000
Depth (in.)14.56
Width (in.)8.81
Height (in.)16.75
Impedance8 ohms
Woofer Size6.5
Maximum Power Handling (Watts)250

Polk Audio LSiM Series Bookshelf Speaker

Model #: LSiM703
25089
Model #: LSiM703
Polk Audio
$99,999.00

Call for Best Price

At a Glance

Polk Audio LSiM Series Bookshelf Speaker with Dynamic Balance® and our innovative overhung voice coil design

Get to know this product.

There’s no doubt that bookshelf loudspeakers offer greater placement flexibility than floorstanding loudspeakers but usually with a trade-off in performance. Not so with the LSiM703 bookshelf loudspeakers. You’ll be delightfully surprised to hear the kind of performance that befits our flagship loudspeaker line. With a 6 1/2-inch mid-woofer, 3 1/4-inch midrange, both of lightweight super cell aerated polypropylene, combined with the enhanced deep musical bass response of Polk's patented PowerPort® bass venting system, the LSiM703 delivers a wide, deep, dynamic soundstage. The addition of the proprietary 1-inch ring radiator tweeter adds pinpoint detail for realistic imaging. With the performance of the groundbreaking LSiM Series in a smaller, flexible bookshelf speaker format, the LSiM703 gives you the best of all worlds.  

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, Re-Engineered Ring Radiator Tweeters 

    Extend top-end response for incredible details and realistic imaging.

Newly Designed Cassini Oval Subwoofer Drivers 

    With more surface area than round drivers, dramatically improve low-frequency response for deep, well-blended bass.

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.

High Quality

    Heavy duty LSiM enclosure construction features 1.0" MDF on the sides, 3/4" MDF for 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.

Useful Documents
Specifications

General Specs

Product Weight (lbs.)29.6000
Depth (in.)14.56
Width (in.)8.81
Height (in.)16.75
Impedance8 ohms
Woofer Size6.5
Maximum Power Handling (Watts)250

Connections

Connector Type:Dual gold-plated binding posts

Construction

Enclosure Type:Dynamic Balance driver with super cell aerated polypropylene cone
Tweeter Composition:Silk Radiating
Midrange Size:3.25
Midrange Composition:Polypropylene Polymer
Woofer Composition: Polypropylene Cone

Other

Crossover Type:300 Hz
Sold As:Each

Styling

Color:Cherry; Midnight Mahogany
WarningProposition 65 Warning for California Residents