★★★★★ 5
Great shirt
Size: Medium, Color: Dreamy Coral
Great fit and color
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
JBL - MTC-300BB12 - BACKBOX FOR 12" CONTROL 300 SERIES DRIVERS
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
JBL - MTC-300BB12 - BACKBOX FOR 12" CONTROL 300 SERIES DRIVERSMTC 300BB12 3 Cubic Foot Rectangular Backbox for Control 300 Series 12" Drivers, Fits Control 321C, 321CT, 322C, 322CTCT & 312CS, Extra thick 16 gauge Metal Construction, Lined with 0. 5" (12mm) thick MDF to eliminate resonances and to provide extra bass response, Dual mounting system for baffle, Mounting studs for MTC 300T150 70V 100V transformer, 12. 6" (324mm) Height x 23. 1" (587mm) Width x 19. 9" (505mm) Deep, UL Listed, Mounting Screws included
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.4 ★★★★★
Based on 1764 reviews
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Product Reviews
★★★★★ 5
Lovely fit
Size: X-Large, Color: Royal Blue
Soft and comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2025
★★★★★ 5
Replacing for size
Size: Large, Color: True Black
Product is fine. Just to small I will be doubling order quantity of same product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 3
Runs Large
Size: X-Large, Color: Dreamy Coral
Seems to be an okay shirt. It’s a little boxy and Definitely not slim fit. I’m an xl tee shirt guy so that’s what ordered. The body fits more like a 2xl but it’s not bad enough to bother returning. Kind of hoping it shrinks after a couple washes
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Great top
Size: Medium, Color: Dreamy Coral
Leigweight material nice color. My son loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
