MTC-200BB6-B vs MTC-300SG12 — Compare
JBL MTC-200BB6 Cylindrical Backcan For Control 227C/CT B-Stock vs JBL MTC-300SG12 Square Grille For 12" Control 300 Series Drivers
The MTC-200BB6 is a cylindrical backcan enclosure for in-ceiling speaker mounting in permanent commercial installations, while the MTC-300SG12 is a replacement grille for 12-inch Control 300 drivers. These are completely different components serving different purposes—the backcan is for structural/acoustic support during installation, and the grille is a protective front cover for an already-installed speaker.
No sales tax on orders shipped outside California — total cost beats national retailers that charge sales tax in nearly every state.
JBL MTC-200BB6 Cylindrical Backcan For Control 227C/CT B-Stock
JBL MTC-300SG12 Square Grille For 12" Control 300 Series Drivers
Specs side by side
| JBL MTC-200BB6 Cylindrical Backcan For Control 227C/CT B-Stock | JBL MTC-300SG12 Square Grille For 12" Control 300 Series Drivers | |
|---|---|---|
| Price | $125.37 | $123.57 |
| Brand | JBL | JBL |
| Condition | Refurbished | New |
Why choose JBL MTC-200BB6 Cylindrical Backcan For Control 227C/CT B-Stock
- ✓ Purpose-built cylindrical enclosure optimizes Control 227C/CT performance
- ✓ Heavy-duty 16-gauge metal and 12mm MDF construction resists vibration and cabinet resonance
- ✓ Five flexible cable entry points support permanent in-ceiling mounting without field modifications
- ✓ 0.5 cu ft internal volume provides correct acoustic compliance for speech-clarity applications
Why choose JBL MTC-300SG12 Square Grille For 12" Control 300 Series Drivers
- ✓ Direct replacement grille for 12-inch Control 300 Series drivers with exact fit
- ✓ Zinc-plated steel with powder-coat finish resists corrosion in institutional environments
- ✓ Includes complete mounting hardware—five corner screws and countersunk washers
- ✓ Maintains acoustic transparency while protecting driver from physical contact
Frequently asked questions
Are these products compatible with each other?
No. The MTC-200BB6 is an enclosure for Control 227C/CT loudspeakers, while the MTC-300SG12 is a grille for Control 300 Series drivers. They are designed for different speaker models and serve different functions in the installation.
What is the MTC-200BB6 used for?
The MTC-200BB6 is a cylindrical backcan—a structural enclosure mounted behind or around in-ceiling loudspeakers to provide acoustic damping, vibration resistance, and proper acoustic compliance. It is not a standalone speaker and requires a compatible Control 227C or 227CT speaker driver.
What is the MTC-300SG12 used for?
The MTC-300SG12 is a replacement grille that mounts to the front of an already-installed 12-inch Control 300 Series loudspeaker. It protects the driver while maintaining acoustic transparency and provides a finished, professional appearance.
Which product suits a beginner installer?
The MTC-300SG12 is rated for beginner through professional skill levels and is simpler to install—it mounts directly to an existing speaker with four screws. The MTC-200BB6 is professional-only and requires knowledge of in-ceiling speaker integration and permanent mounting practices.