Markertek - The Future of Broadcast Supply

Call 800-522-2025
M-F 8:30am - 7pm EST

Free Shipping Promo Box

FREE SHIPPING No Minimum Order!

SHOP MARKERTEK EVERYDAY for all of your needs. Free shipping on almost every order placed on our website.
Special order & oversized freight intensive items ship at an additional cost. Continental US orders only.
Ask about our new Economy International Shipping Options.

Secure LoginClose X

Returning Markertek Customers

New Markertek Customers

Why Create an Account?

Creating a Markertek account now will save you time on future orders. You'll have full access to your order history and a personalized shopping experience.

JBL MTC-300BB12 Best-in-Class Three Cubic Ft Back Box for 12In. Models
    Questions? Ask a Markertek Expert:
    800-522-2025 Email

    JBL MTC-300BB12 Best-in-Class Three Cubic Ft Back Box for 12In. Models

    Manufacturer: JBL Professional

    Item #: JBL-MTC-300BB12   •   MFG #: MTC-300BB12


    Our Price:$244.65

    free ship
    Availability: Usually ships in 3-10 business days
    This item is currently out of stock and will ship the minute we receive it – normally 3-10 business days. Need it sooner? Call 800-522-2025 and we'll make it happen,or email Customer Service for expedited delivery options. Certain Non-Stock Items Valued over $50.00 may Ship FREE UPS GROUND in the Continental US. Multiple quantities of the same non-Stock Item Valued below $50.00 may be ordered to meet the $50 minimum order requirement to qualify for Free UPS Ground Freight. This offer does not apply to certain freight-intensive or hazardous items. Certain restrictions may apply.



      Rectangular with Extra-Thick 16 Gauge Metal and Heavy Duty 1/2" MDF Reinforcement on Top and Side Panels. Fits Control 321C, 321CT, 322C, 322CT & 321CS. 23.1" x 18.2" (20" Incl. Side Tabs) x 12.8" Deep.


      Add Accessories for your MTC-300BB12:



      Continue Shopping View Cart