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JBL - MTC-300BB12 - BACKBOX FOR 12
JBL - MTC-300BB12 - BACKBOX FOR 12
JBL - MTC-300BB12 - BACKBOX FOR 12
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JBL - MTC-300BB12 - BACKBOX FOR 12" CONTROL 300 SERIES DRIVERS

Marsoni M251S
Sale price$213.50
Pay 4 payments of $53.38 a month.Shop Pay
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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 2409 reviews
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Verified Purchase
Redhead75
Charlottesville, US
★★★★★ 5
So good!
Size: 4 Big Kid, Color: Aqua/Multi
As always sketchers give her great support nd comfort while being cute and easy on off! Slip resistant, breathable and size is spot on and super durable wash great and dry quick
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
A
Verified Purchase
AMA
Whiting, US
★★★★★ 5
Fantastic, stylish, and easy shoes!
Size: 2.5 Little Kid, Color: Aqua/Multi
My daughter LOVES these and wears them daily. She says they're really comfy and they slip on easily. They've held up for several months of daily wear so far and are still going strong!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 15, 2025
J
Verified Purchase
Janis H.
Lexington, US
★★★★★ 5
Great shoes
Size: 3.5 Big Kid, Color: Hot Pink/Multi
These shoes are awesome! Have good arch support and very comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
S
Verified Purchase
Shelby g
Alexandria, US
★★★★★ 5
Awesome shoes!
Size: 4 Big Kid, Color: Aqua/Multi
My daughter is SUPER picky about shoes and loves these. They are easy and quick to put on, run true to size, and most important COMFORTABLE. She is outgrowing them and will have to get her the next size up. Highly recommend for picky kids
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 4, 2025
L
Verified Purchase
LORI
Port Orchard, US
★★★★★ 5
LOVE THESE
Size: 3 Little Kid, Color: Hot Pink/Multi
Really nice. Pix don’t do them justice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026

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