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JBL Stadium GTO860

6"x8" 2-way car speakers

Item # 109GTO860A

One of my favorite moments during a car audio installation is pulling out an old, ragged factory speaker from its...

Find what Fits your car

One of my favorite moments during a car audio installation is pulling out an old, ragged factory speaker from its...

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Item # 109GTO860A

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$199.95 pair

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About the JBL Stadium GTO860

Say goodbye to factory sound

One of my favorite moments during a car audio installation is pulling out an old, ragged factory speaker from its location and then picking up its new, aftermarket replacement. And if you're installing JBL's Stadium GTO860 premium car speakers, the immediate difference is a dramatic jump in design and build. From the hefty magnet to the oversized voice coil with shimmering copper, you can see and feel improvement — now just imagine how much better they'll sound than the browning antiques that have been filling your ears with compromised audio for so long.

Say goodbye to factory sound

One of my favorite moments during a car audio installation is pulling out an old, ragged factory speaker from its location and then picking up its new, aftermarket replacement. And if you're installing JBL's Stadium GTO860 premium car speakers, the immediate difference is a dramatic jump in design and build. From the hefty magnet to the oversized voice coil with shimmering copper, you can see and feel improvement — now just imagine how much better they'll sound than the browning antiques that have been filling your ears with compromised audio for so long.

Edge-driven dome tweeters

JBL created their GTO860 6"x8" speakers as a hi-fi solution for those who want better sound in their vehicle. You'll find an edge-driven design in their PEI polymer dome tweeters for a smoother, more open response and minimal distortion at high volume levels. Each tweeter also features a level control button so you can adjust the brightness to your taste.

Woofers enhanced with Plus One+ technology

JBL's glass fiber woofer will hold its shape when the power's cranked up, so you still get punchy and defined bass. Glass fiber weighs less than traditional materials, so you don't need a ton of power to drive this woofer either. JBL's Plus One+ woofer technology extends the cone right up to the edge of the basket, giving you lots of surface area — and a bigger cone means more bass to complement the superior high-frequency response.

Power handling perfect for any system

These 2.5-ohm speakers boast ultra-high sensitivity so that you can power them with a factory radio or aftermarket stereo, but you'll get your best results feeding them plenty of power from an outboard amp. Either way, these speakers' low impedance safely takes advantage of every watt of power available for exceptional performance.

Grilles are not included; the factory grilles should be suitable for most applications.

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Product highlights:

  • 6"x8" 2-way car speakers
  • Plus One+ glass-fiber woofer cone with hi-roll rubber surround
  • edge-driven, PEI polymer dome tweeter
  • 2.5-ohm impedance
  • handles up to 100 watts RMS (300 watts peak power)
  • frequency response: 40-23,000 Hz
  • sensitivity: 94 dB at 2.83 volts
  • top-mount depth: 2-5/16"
  • grilles not included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # STADIUMGTO860AM

What's in the box:

  • Two 2-way speakers
  • 2 Bottom mount brackets
  • 2 JBL logo badges
  • 2 Adhesive backed foam gaskets
  • Eight 1-3/8" Screws
  • 8 Speed clips
  • Instruction manual

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More details on the JBL Stadium GTO860

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Features & specs

General
Speaker Size 6X8
Design 2-way
Tweeter Design Edge-Driven Dome
Impedance (Ohms) 2.5
Tweeter Composition PEI
Woofer Composition Glass-Fiber
Woofer Surround Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 94
Frequency Response 40 - 23k Hz
Minimum RMS Wattage ---
Maximum RMS Wattage 100
Peak Power Handling (Watts) 300
Top-mount Depth (Inches) 2 3/8
Bottom-mount Depth (Inches) 2 15/16
Cutout Diameter or Length (inches) 0
Mounting Height (Inches) 0.684
The JBL Stadium GTO860 replaces these items:

Product Research

Features

Plus One Woofer Cones: The Plus One speaker cones offer more surface area than other speakers that fit in the same size opening. This is accomplished by using a new basket design and hi-roll surround. The result is greater bass output and an increase in efficiency.

High-Output Design: The high output 2.5Ω voice coil design compensates for the high in-line resistance of small gauge factory wiring and extracts every watt from factory receivers, increasing overall system output and efficiency (relative to 4Ω speakers). The speakers also benefit from increased power when you upgrade the wire and add aftermarket amplifiers, designed to power a 2.5Ω load.

Edge Driven Dome Tweeters: Each speaker has an Edge-driven soft dome tweeter. Edge-driven tweeters have better dispersion characteristics and allow for a lower crossover frequency than typical tweeters of the same size, which improves imaging, vocals and musical clarity. The tweeter also has an output level switch; choose +0 dB (flat) or +3 dB. The tweeter is angled and can be rotated about 270° after installation. This allows you to direct the tweeters toward the listeners, useful for speakers mounted low in a door.

Mounting Applications: JBL describes this speaker as a 6x8, but it also fits many 5x7 applications. Please enter your vehicle information to confirm fit.

Terminals: The input terminals are set screws that will accept up to 12 gauge bare wire.

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