Thread: F/S - Infinity and Polk Audio Car Speakers!!

Polk Audio DX7 5x7”/6x8” 3 Way Coaxial Speaker

Up for sale is a Polk Audio DX7 3 Way Coaxial Speaker. It’s a 5x7” Speaker, but can also fit in 6x8” with adapters. Has a 1” midrange, and ¾” tweeter. These look new all around and have no marks around them or show signs of wear. They play beautifully and sound full, with a good blend of bass and highs in a 5x7” size. I am asking $49 for this item + shipping.

Woofer 1 - 5" x 7" (12.70cm x 17.78cm)
Polymer Composite Cone
Midrange 1 - 1" Diameter (2.54cm)
Soft Dome
Tweeter 1 - 3/4" Diameter (1.91cm)
Soft Dome
Overall Frequency Response 45hz-20khz
Nominal Impedance 4 ohms
Power Handling (continuous) 40 w
Power Handling (peak) 130 w
Efficiency 89 dB
Magnet Weight 13.00 oz.

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Infinity Reference 5752CF 5x7”/6x8” 2 Way Speaker
Another 5x7” Coaxial speaker for sale, an Infinity Reference 5752CF series. This speaker is also in perfect shape, not 1 mark around the entire speaker, they are in perfect condition all around and sound great. Another item in great condition and good price. Asking $39 for this item + shipping.

• recommended power range 60 watts RMS
• peak power handling 180 watts
• Silk Dome Tweeter
• Unipivot Rotating Tweeter
• Plus One polypropylene woofer cone is 30% larger than other speakers of this size, ensuring strong bass response
• Hi-roll rubber surround allows greater woofer movement
• 3/4" silk dome tweeter may be rotated up to 355 degrees for improved imaging
• sensitivity 92 dB
• frequency response 54-20,000 Hz
• top-mount depth 2-3/8"
• Plus One woofer cone for 30% more radiating area
• High Roll Rubber Surrounds

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