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American International SG-400-DX

3/4" Depth Extender for 4" Speakers

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List price $19.99

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  • Universal 3/4" Depth Extender
  • For 4" Speakers

Adapter and Spacer Specifications

Compatible Speaker Size
These are the speaker sizes that the product is compatible with. For car speaker adapters, these are the sizes of aftermarket speakers that will fit inside the adapter.
4"
Factory Opening Size Compatibility
This is the size of the factory opening that the speaker adapter is designed to fit in. This is not the size of speaker that will fit inside of the adapter, but the size of the factory opening that the speaker adapter fits into.
4"
Spacer Thickness
This is the thickness of the spacer. Spacers are meant to extend the mounting depth. If no thickness is listed here, then the spacer/adapter is not meant to extend the mounting depth.
3/4"
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
67%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
33%

Average Attribution Rating

Durability
3.3
Value
3.7
Features
3.3
Design
3.3
Usability
3.3
TomTom4049

Charleston, SC

Overall
Durability
Value
Features
Design
Usability
SG-400-DX

July 29, 2013

Not recommended for Pioneer 4" speakers, gaps around the speaker stopped me from using these adapters. I sit and stare at them wondering why I bought them in the first place. If it weren't for the big hole in them I could have used them as drink coasters.

0 of 0 found this helpful

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david

campobello,sc

Overall
Durability
Value
Features
Design
Usability
space saver

September 30, 2010

easy to use a real space saver if you don't have clearance to put your speakers in your door.

0 of 0 found this helpful

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Rich

San Diego CA

Overall
Durability
Value
Features
Design
Usability
Helpful

March 10, 2009

Not hard to imagine what this product is intended for. PS it does the job for the cheapest price I was able to find on the 'net

0 of 0 found this helpful

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Browse 1 question
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what are the dimentions of American International SG-400-DX 3/4" Depth Extender for 4" Speakers?
simon m on Oct 18, 2014
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Product Summary

Manufacturer

Model Number

SG-400-DX

UPC

012339104007

Weight

0.48lbs

Internal SKU

sg400dx

Internal Product ID

4305

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: American International SG-400-DX