4.00 in (S4)

Exact Fit, Easy To Install Speaker Enclosures

Upgrade the door speakers in your 4.00 in (S4) for the highest quality sound.

Don't see your vehicle listed?

Submit a Request
center ortho Speaker Upgrade for the A-Pillar of your 2007-2014 Chevrolet Tahoe, Suburban, Avalanche, Silverado. GMC Yukon, Sierra. Cadillac Escalade. Easy installation of a Single 4" Midrange for the most powerful car stereo possible.
B-STOCK 4″ Speaker Pods for the A-Pillar of...
Original price was: $139.99.Current price is: $97.99.
Read more
center ortho Speaker Upgrade for the A-Pillar of your 2007-2014 Chevrolet Tahoe, Suburban, Avalanche, Silverado. GMC Yukon, Sierra. Cadillac Escalade. Easy installation of a Single 4" Midrange for the most powerful car stereo possible.
B-STOCK 4″ Speaker Pods for the A-Pillar of...
Original price was: $145.99.Current price is: $102.19.
Read more
center ortho Speaker Upgrade for the A-Pillar of your 2007-2014 Chevrolet Tahoe, Suburban, Avalanche, Silverado. GMC Yukon, Sierra. Cadillac Escalade. Easy installation of a Single 4" Midrange for the most powerful car stereo possible.
4″ A-Pillar Speaker Pods for 2007-2013 Chevr...
Price range: $139.99 through $145.99
Price range: $125.99 through $145.99
Select options This product has multiple variants. The options may be chosen on the product page