JBL

GTO638

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Concert-quality 6 1/2 inch 3-way Car Speakers

$66.9566.95 per pair $129.95
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Pop the JBL® GTO638 into any factory location with no special tools or modifications. You’ll suddenly have the big, booming bass and the rich, crisp, detailed sound that make JBL® products famous – in your car. (Yes, your car.) You’ll hear the power of JBL-patented Plus One® woofer cones and a My-Ti™ tweeter. A very large voice coil, like the ones the best home audio speakers have, delivers crystal-clear, extended high frequencies for audiophile-quality performance. And a UniPivot™ (patent number 6,002, 780) tweeter pod gives you control of imaging even if the speaker has to be mounted low. In the GTO638, you’ll find attention to detail that’s rarely given to car audio. And it’s a game-changer.

Item# GTO638

General Specifications

Type Two-Way
Series Grand Touring
Size 6-1/2

Audio Specifications

Nominal Impedance 2 ohms
Sensitivity (2.83V@1m) 92dB
Power Handling (RMS) 60W
Frequency Response 50Hz – 21kHz
Power Handling (Peak) 180W

Dimensions

Mounting Depth (in) 2-1/16
Mounting Cutout Diameter (in) 5-1/4
External Diameter (in) 6-1/4
Mounting Depth (mm) 52
External Diameter (mm) 159
Mounting Cutout Diameter (mm) 133
Click here for a complete list of all specs for this product
  • (2) GTO638 speakers
  • (2) Mounting brackets
  • (2) Grilles
  • (2) Buffer for mounting bracket/grille
  • (4) Sets of speaker wire
  • (16) Screws
  • (1) Owner's Manual

The latest owner's manuals, quick start guides, and documents.

1 Year Warranty

Products purchased online or from an authorized local retailer and under warranty may qualify for an exchange with a valid receipt.

Purchases made from an unauthorized dealer will not be eligible for exchange.

Call us: 1.800.336.4525

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  • Parts and accessories
GTO638 is rated 4.8 out of 5 by 4.
Rated 5 out of 5 by from Amazing for the low price! I purchased a pair of 638s and 938s for my 2009 Toyota Venza and they sounded amazing with the stock non-JBL sound system, which is the lowliest on the Venza. They sounded loud enough for not being amplified. But I wanted to test them good, so I added an old-school Rockford 500a2. WOW! They got obscenely loud. How can these cheap speakers sound this good? They're made by JBL. Based on my good experience with these GTO speakers, I purchased a pair of amplified JBL LSR308 studio monitors for my music production. They don't sound loud like these GTO models but have some of their warmth and clarity. JBL are masters at their craft! You pay the price for entry-level speakers but the sound and quality is outstanding. These GTO speakers not only sound excellent, but can get LOUD without distortion. Seriously, they get impressively loud without losing clarity. I'm buying another set for my sister's car AND also for my car, since I don't have the Venza anymore. JBL has return customers for a reason. They make good products even on their entry-level lines. I'm tempted to upgrade to the Power series but these GTO series are flawless. I can't imagine a reason to get anything louder than these! BELIEVE ME!
Date published: 2015-10-09
Rated 5 out of 5 by from Super clear, good bass, overall amazing I put these and the GTO928 three way 6x9 in my 1992 Chevy Cavalier let me tell you these aren't your 90s stock speakers. I could not believe how great these sounded even compared to just everyones cars that are newer. I have the best sounding and loudest bass speakers out of everyone i know thanks JBL!
Date published: 2015-09-22
Rated 5 out of 5 by from crystal clear i wanted to upgrade my sound in my 2011 corolla s. so i read all types of reviews and watched youtube videos and everybody said nothing by great things about these speakers. and they were so right. the 638's in my front doors sound amazing. when they say concert sound they mean it. crystal clear highs and mids. i also put the 938's in the rear and they bang with no distortion. forgot to add, that im using the factory head unit and no amps. jbl is the best hands down
Date published: 2014-06-07
Rated 4 out of 5 by from Good overall sound and easy to install. Nice mounting kit included.
Date published: 2015-12-19
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