Connect with us

Hi, what are you looking for?

Loudspeakers

Polk Audio LSiM Series Speakers

647799.jpg

Newly Engineered, Flagship Loudspeaker Line

Polk Audio® announced a new top of the line home audio speaker lineup that brings the company's legendary sonics to their highest pinnacle yet. The new LSiM series utilizes Polk's most advanced engineering to date, achieving remarkable high-end performance that makes a true audiophile listening experience accessible to music lovers everywhere.

The new Polk LSiM series encompasses a full range of tower, bookshelf, center and surround channel models, each of which is designed with the finest materials and Polk's most advanced acoustic engineering. The performance objectives for the series were set with an exceptionally high bar — open, transparent, three-dimensional sound, with accurate tonal and temporal response at all frequencies; extended dynamics; uniformly wide dispersion; deep, tight, integrated bass; and compatibility with a broad range of past, present and future electronics. Each of these difficult sonic objectives has been achieved in the new LSiM series.

The new flagship Polk lineup is spearheaded by two 4-way floor-standing tower models, the LSiM 707 ($1,999 each) and LSiM 705 ($1,499 each). Each features state-of-the-art transducers built with Polk's Dynamic Balance® design technology, which combines the latest in composite materials and computer-assisted geometry to create drivers with extraordinarily low distortions and artifacts. Both towers sport a stunning array of these high performance drivers, highlighted by Polk's Dynamic Sonic Engine enclosure, a single molded component that carries both a Polk proprietary 3.25″ Extended Linear Motion (ELM) mid-range driver and a 1.0″ Advance Isotropic ring radiator (AIR) tweeter.

Combining these transducers in a single optimized array produces an uncommonly wide and uniform dispersion pattern. The top-of-the-line LSiM 707 complements this array with a 6.5″ ELM mid-woofer driver and dual 6×9″ ELM subwoofers featuring Polk's PowerPort®, which maximizes low-bass energy ordinarily lost as air turbulence in the enclosure. The smaller LSiM 705 features the identical Dynamic Sonic Engine for high frequencies and midrange, along with Polk designed ELM 5.25″ mid-woofer and dual 5×7″ ELM subwoofers. A bookshelf-sized version of the towers, the LSiM 703, utilizes the same technologies as the towers, minus the internal subwoofer drivers.

Two center channel models are offered in the flagship LSiM series. The larger LSiM 706c ($1,099 each) features the same AIR ring tweeter and E:M 3.5″ mid-bass driver that characterizes the Dynamic Sonic Engine of the larger tower models, flanked by two ELM 6.5″ mid-bass drivers with a rear port design. A smaller center channel model, the LSiM 704c ($699 each) features the same layout, only with ELM 5.25″ mid-bass drivers. The LSiM 702f/x surround model ($749 each) completes the series for a multichannel setup, offering a ELM 3.25' mid-range, 2 x 1.0″ AIR ring radiator tweeters and a ELM 6.5″ mid-woofer driver. All the speakers have been timbre matched for a perfectly blended and balanced acoustic environment.

The Polk LSiM series features Polk's most advanced material engineering, with Super Cell Aerated polypropylene cones that reduce mass and its resulting distortions. Driver baskets are built from cast aluminum frames that provide superior rigidity and exceptionally flat frequency response. Butyl rubber surrounds ensure outstanding linearity through many years of trouble free performance. Finishing touches include magnetic, non-diffracting grills, easy-leveling floor spikes and rubber trims around the driver baskets that create a cosmetically clean fit and finish.

LSiM 707 Floorstanding Speaker $1,999 each
LSiM 705 Floorstanding Speaker $1,499 each
LSiM 706c Center Channel Speake $1,099 each
LSiM 704c Center Channel Speaker $699 each
LSiM 703 Bookshelf Speaker
LSiM 702f/x Surround Speaker $749 each

The new Polk LSiM series will be available Q1 2011.

“The LSi line has been Polk's flagship selection for almost a decade, but in light of current technological possibilities, we felt it was time for a re-visit. The result is not so much an evolution of the current series as it is a re-engineering of the qualities that have made LSi the best in its class.”
— Mark Suskind, Polk Audio VP of Product Line Management

Advertisement. Scroll to continue reading.

Click to comment

Leave a Reply

Your email address will not be published. Required fields are marked *

Advertisement

Latest Products

LG StanbyMe 2 MAX portable 4K TV

New Products

At $1,299, LG's StanbyME 2 Max portable TV adds a larger 32-inch 4K touchscreen, Wi-Fi 6, Dolby Vision, Dolby Atmos and longer battery life...

2026 QUAD Elegan 1 and Elegan 2 Loudspeakers 2026 QUAD Elegan 1 and Elegan 2 Loudspeakers

Bookshelf Speakers

QUAD Elegan 1 and Elegan 2 speakers revive woven Kevlar drivers from $995 with Peter Comeau engineering and amplifier friendly designs.

Tiny Vinyl Player Lifestyle Tiny Vinyl Player Lifestyle

New Products

Meet the $49.99 Tiny Vinyl Player for 4 inch records, with Bluetooth, built in speakers and new accessories. Your kids may not be impressed.

Pilot Radio 232 Tube Amplifier Front Angle Pilot Radio 232 Tube Amplifier Front Angle

Amplifiers

Pilot Radio revives its 1959 EL84 amplifier with 15 watts of Class A power, balanced inputs and a $4,790 price.

PureAudioProject Quartet15 Open Baffle Loudspeakers lifestyle PureAudioProject Quartet15 Open Baffle Loudspeakers lifestyle

Floorstanding Speakers

PureAudioProject Quartet15 open-baffle speakers pair dual 15-inch woofers, Voxativ drivers and 96dB sensitivity from about $18,000.

JUZEAR x KOTO Nebula IEMs JUZEAR x KOTO Nebula IEMs

IEMs

The $129.99 Juzear Nebula IEMs feature five-drivers, a four-way crossover, and KOTO tuning for vocals, detail, and a spacious soundstage.

Gift Ideas?

Amazon Prime Day 2026 Gift Guide

Daily Deals

Amazon Prime Day is a four-day shopping event from June 23-26, 2026 offering the biggest discounts of the year on consumer electronics.

You May Also Like

Articles

Our Best of 2022 Soundbar picks feature some great options from Sony, Polk, Sonos, Samsung, and Vizio for every budget.

Gift Guides

Affordable audio for a lot less than you'd think from trusted brands that will payback dividends all year with sonic enjoyment.

Floorstanding Speakers

Polk Audio have been quite aggressive with their Reserve and Legend Series speakers, and news has dropped on a brand new lineup called the...

Gift Guides

Check out huge discounts on Bowers & Wilkins, Denon, Audioengine, Andover, Polk Audio and more for two days only.

Hi-Fi Components

Harman set to acquire iconic premium audio brands including Marantz, Bowers & Wilkins, Denon, Polk Audio, and more.

New Products

Priced from $225, Polk Audio Atrium Series outdoor speakers bring high-quality sound to patios, pools, and outdoor entertainment spaces.

Floorstanding Speakers

New Polk Audio Reserve Series loudspeakers are aimed at the next generation of audiophiles looking for affordable high-end sound.

New Products

Looking for an affordable subwoofer this holiday season? The Polk Audio Monitor XT10 retails for $299.

Advertisement

ecoustics is a hi-fi and music magazine offering product reviews, podcasts, news and advice for aspiring audiophiles, home theater enthusiasts and headphone hipsters. Read more

Copyright © 1999-2026 ecoustics | Disclaimer: We may earn a commission when you buy through links on our site.