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Product comparison
Frequently Compared 6", 6-1/2" & 6-3/4" Speakers

SpeakerCompare

Virtual Audio Technology

Grab your headphones and hear sonic differences between these speakers

Current Item

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Top Seller
Rockford Fosgate R165X3
Prime Series 6-1/2" 3-way car speakers
In stock
889 reviews
$44.99 pair
  • polypropylene woofer cone with rubber surround
  • 1/2" silk dome tweeter, piezo supertweeter
  • 2-45 watts RMS power range
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Adding...
Top Seller
Kenwood KFC-1666S
6-1/2" 2-way car speakers
In stock
533 reviews
$39.99 pair
  • polypropylene woofer with treated cloth surround
  • 1" PEI balanced dome tweeter
  • handles up to 30 watts RMS (300 watts peak power)
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Adding...
Rockford Fosgate R1675X2
Prime Series 6-3/4" 2-way car speakers
In stock
269 reviews
$44.99 pair
  • polypropylene woofer cone with rubber surround
  • 1/2" silk dome tweeter
  • 2-45 watts RMS power range
Remove

Adding...
Top Seller
MTX Terminator6
6-1/2" 2-way car speakers
In stock
107 reviews
$44.99 pair
  • polypropylene woofer cone with rubber surround
  • silk dome tweeter
  • handles up to 45 watts RMS (90 watts peak)
       
Condition New Stock New Stock New Stock New Stock
General Rockford Fosgate R165X3 Kenwood KFC-1666S Rockford Fosgate R1675X2 MTX Terminator6
Speaker Size 6 1/2 6 1/2 6 3/4 6 1/2
Design 3-way 2-way 2-way 2-way
Tweeter Design 1/2" Dome 1" Balanced Dome 1/2" Dome Dome
4 4 4 4
Tweeter Composition Silk PEI Silk Silk
Woofer Composition Polypropylene Polypropylene Polypropylene Polypropylene
Woofer Surround Rubber Treated cloth Rubber Rubber
Parts Warranty 1 Year 1 Year 1 Year 2 Years
Labor Warranty 1 Year 1 Year 1 Year 2 Years
Specifications Rockford Fosgate R165X3 Kenwood KFC-1666S Rockford Fosgate R1675X2 MTX Terminator6
Sensitivity (1W at 1 meter) 91 90 91 N/A
Sensitivity at 2.83 volts 94 N/A 94 86.8
Frequency Response 52 - 20k Hz 40 - 22k Hz 52 - 20k Hz 62 - 20k Hz
Minimum RMS Wattage 2 --- 2 ---
Maximum RMS Wattage 45 30 45 45
Peak Power Handling (Watts) 90 300 90 90
Top-mount Depth (Inches) 2 3/16 1 3/4 2 3/16 1 11/16
Bottom-mount Depth (Inches) 2 3/8 N/A 2 3/8 N/A
Cutout Diameter or Length (inches) 5 9/16 4 15/16 5 11/16 4 7/8
Mounting Height (Inches) 0.437 0.315 0.255 0.396
  Owner's Manual Owner's Manual Owner's Manual Owner's Manual
Photos Rockford Fosgate R165X3 Kenwood KFC-1666S Rockford Fosgate R1675X2 MTX Terminator6
Photo: Front
Photo: Back
Hands-on Research Hands-on Research Hands-on Research Hands-on Research
Remove

Adding...
Top Seller
Rockford Fosgate R165X3
Prime Series 6-1/2" 3-way car speakers
In stock
889 reviews
$44.99 pair
Remove

Adding...
Top Seller
Kenwood KFC-1666S
6-1/2" 2-way car speakers
In stock
533 reviews
$39.99 pair
Remove

Adding...
Rockford Fosgate R1675X2
Prime Series 6-3/4" 2-way car speakers
In stock
269 reviews
$44.99 pair
Remove

Adding...
Top Seller
MTX Terminator6
6-1/2" 2-way car speakers
In stock
107 reviews
$44.99 pair
TOP