Polk Audio LSiM 707 300-Watt Tower Speaker - Single - Mahogany

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Model Number: LSIM707
Web Code: 10186194


The lush, well-balanced audio delivered by the Polk Audio LSiM 707 tower speaker fills your space with exceptional sound. This 300W 3-way speaker boasts a deep, musical bass, and the Dynamic Balance technology keeps the tones crystal clear at any volume level. The beautiful curvilinear silhouette enhances any room's decor.

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9 Years
  • 300W 3-way speaker features 3kHz, 300Hz, 100Hz power capability for a powerful audio performance
  • 20 Hz - 40 kHz frequency response with 88dB sensitivity gives you a realistic sound impact rich with lifelike details and a deep, musical bass
  • Features 6.5" mid-range speakers, 1" tweeter, 6" woofer for well-balanced audio no matter what you're listening to
  • Dynamic Balance technology features Klippel-optimized transducers that eliminate unwanted material and interface resonance, delivering the most efficient performance at any volume level
  • Beautiful curvilinear design enhances any entertainment area
Number of Speakers Included
Speaker Type
Tower Speaker
Crossover Point
3kHz; 300 Hz; 100 Hz
Frequency Response
20 Hz - 40 kHz
Magnetically Shielded
88 dB
Mid Range Speaker Size
6.5 in
Tweeter Size
1 in
Woofer Size
6 in


24.1 cm
129.1 cm
46.8 cm
Width (Inches)
9.5 in
Height (Inches)
50.79 in
Depth (Inches)
18.43 in
45 kg
  • Manual

  • Excellent value

    from Edmonton ab on April 2, 2019

    I own kef R500. Martin Logan motion 40 Focal 836 Psb xt2 Klipsch Rp 62 The Polk I have are lsim 703 the bookshelves The are better than all listed above in my opinion. But the focals are very close. Absolutely amazing detail And accuracy The tweeter is perfect for my taste But you need good Equipment to pair them with. I have parasound. 275 watt per channel

  • Amazing speakers

    from Ontario on April 1, 2019

    These speakers are well worth the money. Sound is crystal clear and fantastic imaging and soundstage. Great vocals. They play with authority. The bass beats on your chest. No sub needed. I have a pair of Klipsch lascalas and rf7iis. These are definitely not as bright as the klipsch line. I find these on the warmer side. You will need high quality amp. You can find them on sale or used at a good price buy them. At 100 pounds they are well made.

  • Excellent speakers

    from Toronto, ON on March 30, 2019

    There are couple of prerequisites to own and enjoy these speakers: 1. You need at least a small SUV to bring them home. (does not apply if shipped) 2. You need a buddy to help you unpack it. (does not apply if very strong) 3. Need a 2 channel amp with at least 100w/ch @ 8ohms. AV amp will NOT be able to make these shine, sorry. 4. High quality music collection. I have owned these for 3 months and decided to write my review, if the rest of your system is high end, these speakers are very neutral and will play whatever the recording engineer has intended and it is indeed excellent full range speakers, meaning you hear the full spectrum of music from highs to lows. The soundstage is very wide and very dynamic, again whatever the recording engineer had intended will show here. Unfortunately, there will be some of your favorite music collection that you discovered that it is poorly recorded or mastered. These speakers will reveal them immediately. These speakers are meant for 2 ch audiophiles, if you must use these with AV amps, you are only going to discover half the potentials as i have seen owners disappointing in that regard. In short, 3 months in, no regrets, these are well made and built. I don't think Polk will design another pair like these. Given it is now all home theater based audio which these type of speakers are not meant for and musically based instead.

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