GRAND TOURING GTO 6428 - Black - 4 inch x 6 inch 2-Way - Hero
GRAND TOURING GTO 6428 - Black - 4 inch x 6 inch 2-Way - Hero


4 inch x 6 inch two-way loudspeaker with Plus One® woofer cone and 1 inch edge-driven My-Ti™ tweeter. This product is perfect for dash location upgrades where a 4 inch x 6 inch speaker is required.
Introduction Year 2009 Made in China Predecessor Product GRAND TOURING GTO 6427 Successor Product GTO6429

Product Specifications

General Specifications

Series Grand Touring
Type Two-Way
Size 4 x 6
MSRP U.S. $119.95 per pair

Audio Specifications

Power Handling (RMS) 40W
Nominal Impedance 2 ohms
Sensitivity (2.83V@1m) 91dB
Power Handling (Peak) 120W
Frequency Response 75Hz–21kHz

Dimension Specifications

Mounting Depth (in) 1-3/4
Mounting Depth (mm) 44
Mounting Cutout Diameter (in) 5-3/4
External Diameter (in) 6-5/16
External Diameter (mm) 160
Mounting Cutout Diameter (mm) 145

Speaker Specifications

Crossover Frequencies Onboard
Low-Frequency Transducer PlusOne® HCL™ honeycomb-laminate cone
Controls/Adjustments None
High-Frequency Transducer 25mm (1") edge-driven My-Ti™ dome
Please consult the documents for in-depth specs

Documents & Downloads

What’s in the Box

  • (2) GTO6428 4”x6” two-way loudspeakers
  • (1) Owner's Manual

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