JBL MTC-300BB12 3 Cubic Foot Backbox for Control 300 Series 12 Inch Drivers
The JBL MTC-300BB12 is a 3 cubic foot backbox designed for Control 300 Series 12 inch drivers, built from extra-thick 16 gauge metal and lined with 12 mm MDF to eliminate resonance and boost bass response. It features knockouts on all sides and a dual mounting system for straightforward baffle installation.Overview
The JBL MTC-300BB12 is a purpose-built 3 cubic foot backbox for Control 300 Series 12 inch drivers, part of JBL's Professional Series of installed sound accessories. Its extra-thick 16 gauge metal shell is lined with 12 mm thick MDF to eliminate cabinet resonance and extend low-frequency response, giving installed speaker systems a fuller, more controlled bass output. The enclosure is engineered for straightforward commercial and institutional installations where consistent sound quality matters.
Key Features
- 3 cubic foot enclosure sized for Control 300 Series 12 inch drivers
- Extra-thick 16 gauge metal construction for durability
- 12 mm thick MDF lining that eliminates resonance and improves bass response
- Knockouts on the top and all four sides for flexible cable routing
- Dual mounting system for secure baffle installation
- Mounting platform for an optional high-power 70V or 100V transformer
Specifications
- Weight: 0.45 kg
- Color: Black
- Country of Origin: United States
- Type: Speaker backbox enclosure
- Volume: 3 cubic feet
- Compatible Driver Size: 12 inch
- Construction: 16 gauge metal with 12 mm MDF lining
Why buy from Procure.ae
Procure.ae supplies JBL Professional Series installed sound accessories to system integrators, contractors and institutions across the UAE and GCC, with reliable project delivery and technical support. We work with facilities teams and AV integrators on bulk procurement for multi-zone installed sound projects. Request a quote to confirm stock, lead times and volume pricing for your project.
FAQ
Which JBL drivers does the MTC-300BB12 fit?
It is sized specifically for Control 300 Series 12 inch drivers.
Why is the enclosure lined with MDF?
The 12 mm MDF lining eliminates resonance inside the metal shell and improves bass response compared to an unlined enclosure.
Can it accommodate a 70V or 100V transformer?
Yes, the backbox includes a mounting platform for an optional high-power 70V/100V transformer for constant-voltage installations.
Description
Overview
The JBL MTC-300BB12 is a purpose-built 3 cubic foot backbox for Control 300 Series 12 inch drivers, part of JBL's Professional Series of installed sound accessories. Its extra-thick 16 gauge metal shell is lined with 12 mm thick MDF to eliminate cabinet resonance and extend low-frequency response, giving installed speaker systems a fuller, more controlled bass output. The enclosure is engineered for straightforward commercial and institutional installations where consistent sound quality matters.
Key Features
- 3 cubic foot enclosure sized for Control 300 Series 12 inch drivers
- Extra-thick 16 gauge metal construction for durability
- 12 mm thick MDF lining that eliminates resonance and improves bass response
- Knockouts on the top and all four sides for flexible cable routing
- Dual mounting system for secure baffle installation
- Mounting platform for an optional high-power 70V or 100V transformer
Specifications
- Weight: 0.45 kg
- Color: Black
- Country of Origin: United States
- Type: Speaker backbox enclosure
- Volume: 3 cubic feet
- Compatible Driver Size: 12 inch
- Construction: 16 gauge metal with 12 mm MDF lining
Why buy from Procure.ae
Procure.ae supplies JBL Professional Series installed sound accessories to system integrators, contractors and institutions across the UAE and GCC, with reliable project delivery and technical support. We work with facilities teams and AV integrators on bulk procurement for multi-zone installed sound projects. Request a quote to confirm stock, lead times and volume pricing for your project.
FAQ
Which JBL drivers does the MTC-300BB12 fit?
It is sized specifically for Control 300 Series 12 inch drivers.
Why is the enclosure lined with MDF?
The 12 mm MDF lining eliminates resonance inside the metal shell and improves bass response compared to an unlined enclosure.
Can it accommodate a 70V or 100V transformer?
Yes, the backbox includes a mounting platform for an optional high-power 70V/100V transformer for constant-voltage installations.
Specifications
Brand
JBL
Product Type
Speaker Backbox
Storefront L1
Audio Video
Storefront L2
Speakers
Storefront L3
Pa Speakers
Weight (Spec)
0.45
Color (Spec)
Black
Country of Origin
United States
Frequently Asked Questions
What is the purpose of a backbox for ceiling speakers?
A backbox is an acoustic enclosure mounted behind or above ceiling speakers to enhance and control bass response, reduce cabinet resonance, and improve overall sound quality in installed audio systems.
How does the 3 cubic-foot size improve bass performance?
The 3 cubic-foot volume is sized for Control 300 Series 12-inch drivers, providing sufficient acoustic volume to extend and reinforce low-frequency response while minimizing resonant peaks.
What benefit does the 16-gauge metal construction provide?
The extra-thick 16-gauge metal construction prevents cabinet flexing and resonance, ensuring rigid acoustic enclosure performance that translates to cleaner, more controlled bass output from the speaker.
How does MDF dampening improve speaker performance?
The 12mm MDF lining absorbs internal acoustic reflections and resonance energy, eliminating standing waves and coloration that would otherwise degrade the speaker's frequency response and clarity.
What are the knockouts on the backbox for?
Knockouts on all sides of the MTC-300BB12 provide flexible wiring access and configuration options during installation, simplifying cable routing and baffle mounting procedures.
Is backbox installation complex for commercial ceiling projects?
Backbox installation is straightforward in commercial ceilings—the enclosure mounts above the speaker, and knockouts provide simple access for speaker wiring and cable management.
What is the delivery timeframe for the MTC-300BB12 in the GCC?
Procure.ae supplies the MTC-300BB12 across the UAE and GCC via quote request; contact the team to confirm current availability and delivery schedule.
Can Procure.ae advise on backbox sizing and speaker pairing?
Procure.ae can provide technical guidance on backbox selection and integration with Control 300 Series speakers; reach out with your facility specifications and audio requirements.
Which Control 300 speaker drivers is the MTC-300BB12 designed for?
The MTC-300BB12 is engineered as a 3 cubic-foot backbox for Control 300 Series loudspeakers with 12-inch drivers.
What materials and construction methods are used in the MTC-300BB12?
The MTC-300BB12 features extra-thick 16-gauge metal construction lined with 12mm MDF dampening material for acoustic performance and structural rigidity.
What mounting options does the MTC-300BB12 provide?
The MTC-300BB12 features a dual mounting system enabling straightforward baffle installation and flexible positioning in commercial ceiling applications.
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