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Blaupunkt 66.3X

GT Power Series 6-3/4" 3-way speakers

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  • Blaupunkt 66.3X

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Item #: 023GTPW663
 

Review Summary

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Our take on the Blaupunkt 66.3X

Blaupunkt

Why replace your factory speakers?

The speakers that originally came in your car were made from inexpensive materials, designed to create acceptable sound at the lowest possible cost to the manufacturer. If you love music, you deserve better. Name-brand aftermarket speakers deliver fuller, richer sound with considerably more detail and nuance, and they're capable of playing louder and cleaner than factory speakers. Connect new speakers to your factory radio and you'll get the best possible sound from your dealer-equipped system. Pair them up with a new car stereo for a level of enjoyment that can rival a high-fidelity home audio experience.

Why listen to your old factory speakers when a nice upgrade is within reach? Blaupunkt combines its reputation for reliability with modern design in their GT Power Series speaker line.
These GT Power Series 66.3X 3-way speakers feature 6-3/4" polypropylene woofer cones that deliver accurate, full-bodied sound. Mylar tweeters and midrange cones reproduce the vocal and instrumental details smoothly and cleanly. The 3-ohm impedance safely draws a little more power from your car radio or amplifier. And the signature blue color offers a look as distinct as Blaupunkt's legacy sound. See more info on this item

Highlights:

  • 3-way 6-3/4" speakers (pair)
  • titanium-injected polypropylene woofer with treated foam surround
  • 1" Mylar tweeter and Mylar midrange
  • power range: 2-61 watts RMS (250 watts peak power)
  • frequency response: 40-25,000 Hz
  • sensitivity: 92 dB
  • top-mount depth: 2.3228"
  • warranty: none (Crutchfield's 60-day satisfaction guarantee applies)
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
Design
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3-way
Tweeter Design
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1" Semi-Dome
Tweeter Composition
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Mylar
Woofer Composition
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Injected Polypropylene
Woofer Surround
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Rubber
Parts Warranty
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60 Days
Labor Warranty
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60 Days
Specifications
Sensitivity
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92 dB at 2.83 volts
Frequency Response
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40 - 25k Hz
RMS Power Range (Watts)
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2-61
Peak Power Handling (Watts)
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250
Impedance (Ohms)
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3
Top-mount Depth (Inches)
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2 3/8
Bottom-mount Depth (Inches)
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2 9/16
Cutout Diameter or Length (inches)
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5 11/16
Product Research
What's in the box?

Download owner's manual

  • Two 3-way speakers
  • 2 Plastic grilles
  • Eight 1-1/4" Self-tapping screws
  • 8 Speed clips
  • Template
  • Instructions

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Size Classification Note: Crutchfield has traditionally referred to this speaker size as a 6-3/4", while Blaupunkt describes it as 165mm. Please check the Crutchfield Vehicle Selector to confirm fit in your vehicle.

 
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Blaupunkt 66.3X Reviews

Average Customer Review:

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4 out of 5

99 VW Jetta III (Mexico Made)

Written By DerekM, Austin Texas on Thursday, December 13, 2012
 
OK, I'm not sure who decides what "Fit" means, but Crutchfield missed the mark on this one; at least on my Jetta. The first issue I found was that the thickness of the soundproofing material on the back deck is way to thick to use the screws included in the box. The second issue I noticed is that even without the aforementioned issue, the Blaupunkt speaker grill doesn't cover the cut outs where the screws go through to connect to the body fully The third issue, is that I have tweeters on the back deck, but no second connector.

I finally figured out how to make it work after about 3 hours of working on it. My suggestion would be to keep the plastic OEM housing that the speakers set in after removing the OEM speaker grill (if you want to use it, use a hair drier to heat up the glue to remove without damage), these speakers do fit into the housing (Note: the allen bolts holding the speaker to the OEM plastic housing are lefty tighty and righty loosy), , and then buy new #8 2 1/2 or 3 inch screws from your local hardware store to ensure you have a long enough screw to get to the body attachment. I couldn't find #8 screws in that length, only #10, so I had to drill out both the Blaupunkt speaker grill and the OEM plastic housing. I haven't yet installed with this configuration, as I ran out of daylight, but I think this configuration is going to be the best route.
Pros:
Great sound, even when not fully mounted (see above). Thought I'd share this funny... The speakers are so good, that they actually "thumped" out my connection to my dashboard speaker, and I lost sound on that side of the car in the front until I figured out what had happened. :-)
Cons:
If you have the same year (1998/99) Jetta III, I suggest you take out one of the rear speakers and do a lil math to measure the total depth from the top of speaker housing to the bottom and add at least a quarter or half an inch so you can get a good grip on the body. You will save yourself a lot of headaches that way
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