Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response, & low distortion.
3-Way Driver System
The Polk Audio LSiM series surround loudspeakers employ a 3-way driver system for crisp, detailed highs; natural, lifelike midrange; and accurate, dynamic midbass.
You can achieve incredible realism & seamless surround effects when you build a complete Polk Audio LSiM series speaker system. All LSiM series speaker models feature the same components & tuning for perfect timbre-matching.
- Dynamic Balance Technology
- Klippel motor optimization
- Dynamic Balance
- Timbre-Match Series
|Original Purchaser Only
||65 lbs (29.48 kg)
||16.25" (41.28 cm)
||19.92" (50.6 cm)
||6.75" (17.15 cm)
||28.9 lbs (13.11 kg)
|Driver Enclosure Type
- (1) 6.5" (16.51 cm) d (Round) Super Cell Aerated Polypropylene - Mid/Woofer
- (1) 3.25" (8.26 cm) d (Round) Super Cell Aerated Polypropylene - Midrange
- (1) 1" (2.54 cm) d (Round) Enhanced Ring Radiator - Tweeter
|Total Frequency Response
||40 Hz → 40,000 Hz
|Lower and Upper -3dB Limits
||55 Hz → 30,000 Hz
Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.
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can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new
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