


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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4.9 ★★★★★
Based on 1615 reviews
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Product Reviews
★★★★★ 4
Beautiful, easy assembly.
Color: 2-Pack Black
Looks great, easy to assemble. Just a little narrow, wish I would have ordered a little bit bigger size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
★★★★★ 5
Cute!
Color: Gold
Cute and simple. Good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Sleek and modern
Color: Black, Color: Black
Why did you pick this product vs others?:
This holder goes perfect with my decor. It’s very sturdy and makes it easy to tear off one sheet at a time. I’m so glad this is available as an alternative to those old style under the counter top holders. Rey modern looking.
Weight:
Perfect weight to handle a large roll
Build quality:
Good quality and sturdy
Paper towel holder:
Perfect for all size rolls
Size:
Hold large rolls
Ease of removal:
Very easy to tear off sheets of paper towels and to replace the roll
Functionality:
Easy to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 2, 2025
★★★★★ 5
Good purchase
Color: Gold, Color: Gold
It matches my decor and it was easy to assemble. I have been using it for the past month and so far it has done what’s it’s supposed to do, look pretty and hold the tissue roll in place. I am sure it will last years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
★★★★★ 4
Good enough
Color: Black
It works but I find it gets pretty dirty on the bottom of it. I’m not sure how but I have to clean it every so often
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Reviewed in the United States on December 2, 2025
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