MTI Acoustics F-Series Stage 4 Under Seat Enclosure

Want some great sounding bass in your Ford F-Series and want your subwoofer enclosure to look great? The MTI Acoustics Stage 4 Under Seat Enclosure is the perfect solution!

Stage 4 enclosures are always one of a kind, feel free to make a request! (Additional fees may apply). All Stage 4 enclosures are upgraded with a full vinyl wrapped exterior, as well as the addition of ballistic grade plexiglass viewing windows. The Stage 4 enclosures also include a badge so be sure to let us know what model your F-Series is on the checkout page! The main photo shows the Stage 4 WITH the upgraded front door sill option, without adding this option, it will be a standard OEM badge.

Features Include:
Vinyl Wrapped Perimeter
Carpeted Enclosure Top
Included Badge
Ballistic grade plexiglass windows (front panel standard)

Single Color LED
Speaker Terminal
MDF Construction
Beautiful rounded edges design

Subwoofer Fitment Notes: (Subwoofers are not included, until added to the cart)
Maximum mounting depths
-Downfire WITHOUT a seat lift 3.5″
-Downfire WITH a 2.5″ seat lift 6″
-Upfire increases the above by 0.90″
-Front fire WITH a 2.5″ seat lift 7″  (Larger motor structure diameters may not work for all applications)

This item covers 2011-2021 F-150 SuperCrew/SuperCab trucks and 2017-2021 Super Duty SuperCrew/SuperCab trucks. Super Cab models are limited to a maximum of 10″ due to loss of space.

All enclosures are designed to be used without a floor mat/ floor liner.  Use of any sort of mat can impact fitment.

**After you add this enclosure to your cart, scroll down to select additional options and audio gear to complete your package**

Due to the custom nature of this item, all sales are final, without exception. 

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Please see the FAQ page before purchasing: https://mtiacoustics.com/faqs/