Silverado and Sierra Subwoofer Box
GMX120 Speaker Enclosure
Speaker/Subwoofer Enclosure Specifications
♦Dual 10" or 12" Subwoofer Box
♦Down Firing Enclosure
♦Platinum Spring Loaded Terminal
♦100% American-made GREEN enclosure
♦Installation: Fits under rear seat, enclosure will protrude about 1 1/2" from under the seat. Removal of jack required.
Note: Mounting depth based on a 6.5” diameter magnet.
Width |
Depth |
Front Height |
Rear Height |
55" |
12 3/4" |
10 1/4" |
7" |
Fits the Following Vehicles
♦89 to 98 and 99 Chevrolet/GMC Classic 1500/2500/3500 Silverado/Sierra Extended Cab
♦Will work on a 3rd door option.
Other Models Available
♦GMX120X
♦GMX125
♦GMX190
♦GMX240
♦SGMX107
♦GMX200
♦SGMX70
"This is by far the best prefab box made. My JL audio wo's sound beautiful in this box. Had another box and the difference is night and day. Thanks" - J Ridgeway
"This is the perfect box if you need the cones protected and need to squeeze the largest 12" you can in there. Solid construction and shipping was very fast. After 2 months of really pushing it with some HO 12" subs and a JL Audio Slash amp it still refuses to leak. Be aware, you do lose 2" of leg room though." - B. Lindsey
Model
|
(Vb) - Air Volume per Sub - cu. ft. |
Mounting Depth
|
Hole Openings
|
Cut Out D
|
Box Type
|
Finishes |
Dlr Price
|
GMX120C10 |
.6 |
6 13/16" |
2-10" |
9 1/8" for 10" |
Chevy Truck Ext-Cab Sealed |
Carpeted |
Login |
| GMX120C12 | .6 | 6 13/16" | 2-12" | 11 1/8" for 12" | Chevy Truck Ext-Cab Sealed | Carpeted | Login |
| GMX120R10 | .6 | 6 13/16" | 2-10" | 9 1/8" for 10" |
Chevy Truck Ext-Cab Sealed | Raw | Login |
| GMX120R12 | .6 | 6 13/16" | 2-12" | 11 1/8" for 12" | Chevy Truck Ext-Cab Sealed | Raw | Login |
| GMX120X10 | .6 | 6 13/16" | 2-10" | 9 1/8" for 10" |
Chevy Truck Ext-Cab Sealed | XKote | Login |
| GMX120X12 | .6 | 6 13/16" |
2-12" | 11 1/8" for 12" |
Chevy Truck Ext-Cab Sealed | XKote | Login |
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Beyond AE
