See all parts that fit your 1986 Astro
4" x 6" to 4" Speaker Adapters for select 1965-2025 vehicles from Chevrolet, GMC, Porsche
Product highlights
• 4"x6" to 4" Round Speaker Adapters
• Compatible with select 1965-2025 vehicles from Chevrolet, GMC, Porsche Vehicles
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers
$56.99
List price $71.99
600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System
$999.99
List price $1175.00
Trying to go from oval to round speakers in your car? Get these adapters to go from 4" x 6" speakers to 4" and make the change today!
Please use our Fitment Guide to determine specific compatibility for the submodel and audio features
The vehicle you have selected 1986 Chevrolet Astro is not compatible. Change vehicle or See list of compatible similar products
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Manufacturer:
Model Number:
SA464
Weight:
0.13lbs
Internal SKU:
sa464
Internal Product ID:
4309
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Simple
Nice fit on outside but had to modify hole for proper fit to my 4" mids. Good build. Just need to address some exact fit measures.
73 found this helpful
Scosche SA464
Worked great for installing 4" kickers in my '97 Pontiac sunfire GT. Much better than the 4x6.
67 found this helpful
Speaker adapter plates
This item is feature rich but is not rigid enough to play it's part to ensure that you get the best out of your speakers. It should have been a stiffer compound or it should have been made of metal.
65 found this helpful
own this for 1 year
good for the money
63 found this helpful
SA464 SCOSCHE
EVERYTHING FIT PERFECT NO ADAPTATION- PACKAGED WELL AND ARRIVED SAFE
56 found this helpful
Exactly what I needed
These adaptor plates were perfect for installing a set of speakers that I got for free in my truck. They were very easy to install and only need one corner cut to fit.
54 found this helpful
Great!
I have a Daewoo Lanos and 4x6 inch speakers sound like s*** when in the rear of a car. So I got these adapters for 4 inch speakers all the way around my car, they fit the speakers perfectly! With the added holes it makes it easy to install them because the Daewoo has weird sized mounting brackets, but the extra holes match up almost perfectly.
53 found this helpful
Good Product
I purchased this adapter plate for the front and rear speakers in a 93 GMC k1500. I went from 4x6 to 4 inch kenwoods (kfc-1065) and the speakers fit well. Nice product.
43 found this helpful
Good upgrade
These were definitely thicker and held screw threads tighter than the adapter plates that came with the speakers...
Verified purchase
33 found this helpful
Scosche SA464
These adapters work great in tight spot due to they are thinner that what normaly comes with a 4x6 or 4 speaker and they match up great for the price and over all quality they are great .
27 found this helpful
1300W Peak (300W RMS) 10" eXcelon Series Single 4-ohm Car Subwoofer
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
