This product is a vintage Polk model and is not available for sale, but it may still be available in some stores as a closeout or used product. The following text is taken from the original sales brochure for this product and does not reflect current availability. If you happen to have any question or concerns about this product, or any other Polk Audio product, feel free to contact our Customer Service Department at 1-800-377-7655 Monday - Friday, 9am - 5:30pm EST



Available Finishes:

Dialed In Performance

Start your car audio obsession with this easy-to-install GXR Speaker model.

  • Cool look, great sound.
  • The step-up choice for car audio beginners and pros alike!
  • High efficiency tweeter (with 1/2" voice coil) for smooth, clean & detailed highs.
  • Exclusive Duralam Cone: Silicone treated lacquered Fiber material is strong, yet light -- and waterproof -- for crystal clear midrange and durable long life.
  • Airtight Butyl Rubber Surround is impervious to the elements.
  • Ultra high efficiency -- plays loud and clean even with just head-unit power.
  • High fit ratio and low profile design makes for easy installation in virtually any car on the road, your's included!

Everyone knows that aftermarket speakers always outperform factory speakers. GXR Series speakers make upgrading easy -- the GXR Series is efficient enough to work well with stock electronics, engineered with a high fit ratio to drop right in (even in odd factory locations, where this GXR4 would fit fine!) and priced to move.

GXR delivers affordable performance that's good enough to please the pros! What are you waiting for?

Driver Complement

Diameter1/2" (1.27cm) 
Typehigh efficiency tweeter 
Mid / Woofer
Diameter4" (10.16cm) 
TypeDuralam composite cone 


Total Frequency Response95Hz-21Khz 
Nominal Impedance4 ohms
Efficiency91 dB
Power Handling
Continuous35 watts
Peak88 watts
Voice Coil
Tweeter Diameter1/2" (1.27cm) 


Cut-Out Diameter4" (10.16cm) 
Height7/8" (2.22cm) 
Diameter5 7/16" (13.81cm) 
Full-Range Mounting Depth
Top Mount1 3/4" (4.45cm) 
Bottom Mount1 7/8" (4.76cm) 


Unit of Measurepair 


Speaker Warranty1 year 

Specifications, dimensions and features subject to change without notice. For more information call us at 1-800-377-7655 (USA and Canada). Outside of North America call +1 (410) 358-3600.

GXR4 Media

GXR4 Literature

Want to know more? Want to dig just a little deeper to learn about this product? Here's a list of source material that will give more detail, other perspectives, and answer questions you may have.

GXR4 Accessories