All MTI Acoustics enclosures are made to order, at time of order. Please be sure to include all necessary information on the final page of checkout. This Stage Over The Top enclosure will ship within 75-80 business days of your order date. Lead times can be impacted if proper/complete information is not included in your order notes. Thank you.

Want some great sounding bass in your GMC Sierra Crew Cab and want your subwoofer enclosure to look great? The MTI Acoustics Stage 5 Under Seat Enclosure is the perfect solution!

Standard features include:
-Your Choice of leather perimeter wrap.
-Double stitch line around top edge. Default color is black, unless otherwise stated in order notes.
-Single "Big Face" viewing window.
-Side facing viewing windows.
-Top window.
-Acrylic Internal Accents.
-Suede wrapped bracing.
-Addressable RGB lighting.
-3/4" MDF construction.
-Sealed design.
-SMD TCR1 High Power Speaker Terminal.
-Rounded edge design.
-Smooth, unobstructed front panel.
-Requires 2" seatlift (included)

Available upgrades for your Stage Over The Top:
-Painted bracing in place of suede wrapped. Automotive paint with clear coat. Some paints may incur additional fees.

Enclosure Depth
-Maximum downfire subwoofer depth (without use of a seat lift): 4.5”
-Maximum downfire subwoofer depth (with use of LMI 1920CB): 6.5"

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

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