Polk Audio Centre Channel Speaker (LSIM704C) - Midnight Mahogany

Model Number: LSIM704C
Web Code: 10186635


The Polk LSiM704c centre channel speaker is the perfect companion for your Polk speaker system, with its ability to generate sharp detail, natural midrange sound, and bass that really has an impact. It's packed with cutting-edge Polk audio technology like the exclusive Dynamic Sonic Engine, enhanced 1" Ring Radiator Tweeter, 3.5" Super Cell Aerated Polypropylene mid bass driver, and more.
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  • The perfect complement for your Polk freestanding or bookshelf speakers
  • Polk's exclusive Dynamic Sonic Engine incorporates the tweeter and 3.25" driver in separate, interior chambers so you'll enjoy better high frequency dispersion and greater horizontal off axis response
  • 1" Ring Radiator Tweeter provides incredibly accurate audio
  • 3.5" Super Cell Aerated Polypropylene mid bass drivers achieves the optimum balance between stiffness (for less distortion) and superior damping
  • Two 5.25" bass drivers create deep bass sound
  • Each driver is designed with its own internal cabinet to reduce cabinet resonance
  • Power Port bass venting helps extend the deep bass without any distracting port noise or turbulence
  • New Zero Diffraction Grille design means the audio sounds great whether the grille is on or off
Midnight Mahogany
Crossover Point
2.5 kHz; 280 Hz
Frequency Response
40 Hz - 40 kHz
Magnetically Shielded
Power Capability
200 W
88 dB
Mid Range Speaker Size
3.3 in
Tweeter Size
1 in
Woofer Size
5.3 in


53.97 cm
19.68 cm
24.13 cm
Width (Inches)
21.2 in
12.6 kg
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