JBL Professional MTC-300BB12 Cubic Feet Backbox for Control 300 Series 12" Drivers
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Key Features
- Improves low-frequency clarity and reduces cabinet resonance with a 12 mm MDF lining, giving clearer audio for paging, monitoring and surveillance.
- Protects and secures Control 300 Series 12-inch drivers in ceiling installations with heavy-duty 16-gauge metal construction for long-lasting commercial use.
- Simplifies installation with multiple knockouts and a dual-mount baffle system, saving time on-site and reducing labor costs.
- Supports optional high-power 70V/100V transformer mounting for scalable distributed audio and public address applications.
- Compact ceiling-mount form keeps speakers discreet while delivering reliable performance for security, retail and facility-wide audio systems.
Quick Specifications
- Product Model
- MTC-300BB12
- Brand Name
- JBL Professional
- Product Line
- Professional
- Product Name
- Professional MTC-300BB12 Speaker Enclosure
Explore the details
Product information
MTC-300BB12
Overview
Deliver consistent, resonance-free sound and secure in-ceiling mounting for commercial audio and security installations. The JBL Professional MTC-300BB12 speaker enclosure backbox is engineered to protect Control 300 Series 12-inch drivers while enhancing low-frequency response — ideal for paging, monitoring and surveillance audio. Built from extra-thick 16-gauge metal and lined with 12 mm MDF, the backbox minimizes cabinet vibration and improves bass performance so spoken announcements and alerts remain intelligible in busy environments.
Installation is straightforward: knockouts on the top and all four sides and a dual baffle mounting system speed up wiring and placement. A dedicated mounting platform accepts an optional high-power 70V/100V transformer for distributed audio networks and public address systems. The black, ceiling-mount design stays visually discreet while providing robust protection in retail, education, corporate and security-focused deployments. Backed by a 2-year limited warranty, the MTC-300BB12 is a dependable choice for integrators seeking durable, high-performance enclosures.
Specify the JBL Professional MTC-300BB12 for confidence in sound quality and reliability — perfect for surveillance, security paging, and facility-wide audio solutions. Order or add to your project spec today.
Features
- Improves low-frequency clarity and reduces cabinet resonance with a 12 mm MDF lining, giving clearer audio for paging, monitoring and surveillance.
- Protects and secures Control 300 Series 12-inch drivers in ceiling installations with heavy-duty 16-gauge metal construction for long-lasting commercial use.
- Simplifies installation with multiple knockouts and a dual-mount baffle system, saving time on-site and reducing labor costs.
- Supports optional high-power 70V/100V transformer mounting for scalable distributed audio and public address applications.
- Compact ceiling-mount form keeps speakers discreet while delivering reliable performance for security, retail and facility-wide audio systems.
| General Information | |
|---|---|
| Brand Name | JBL Professional |
| Manufacturer | Harman International Industries, Inc |
| Product Line | Professional |
| Product Name | Professional MTC-300BB12 Speaker Enclosure |
| Product Type | Speaker Enclosure |
| Product Model | MTC-300BB12 |
| Country of Origin | CN |
| Manufacturer Part Number | MTC300BB12 |
| Certifications | |
| TAA Compliant | No |
| Physical Characteristics | |
| Color | Black |
| Depth | 18.20" |
| Width | 23.10" |
| Height | 12.60" |
| Material | MDF, Metal |
| Form Factor | Ceiling Mount |
| Product Information | |
| Mount Type | Ceiling Mount |
| Warranty | |
| Limited Warranty | 2-Year |
| Miscellaneous | |
| Compatibility | JBL Professional Control 300 Series 12 in. Drivers |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- MTC-300BB12
- Manufacturer part:
- MTC-300BB12
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsJBL Professional MTC-300BB12 Cubic Feet Backbox for Control 300 Series 12" Drivers
MTC-300BB12