CSS-BB4X6-B vs MTC-14WG — Compare
JBL Commercial CSS-BB4X6 4" Backcan For CSS8004 B-Stock vs JBL MTC-14WG High Humidity Weather Grille For C12/C14, Wht (Pair)
The CSS-BB4X6 is a structural mounting solution for in-ceiling commercial speaker installation in suspended ceilings, while the MTC-14WG is a weather-protective grille for outdoor or high-humidity environments on existing speakers. Choose the CSS-BB4X6 if you're installing CSS8004 speakers into drop ceilings; choose the MTC-14WG if you need to protect Control 12C/T or 14C/T speakers from moisture and rain.
No sales tax on orders shipped outside California — total cost beats national retailers that charge sales tax in nearly every state.
JBL Commercial CSS-BB4X6 4" Backcan For CSS8004 B-Stock
JBL MTC-14WG High Humidity Weather Grille For C12/C14, Wht (Pair)
Specs side by side
| JBL Commercial CSS-BB4X6 4" Backcan For CSS8004 B-Stock | JBL MTC-14WG High Humidity Weather Grille For C12/C14, Wht (Pair) | |
|---|---|---|
| Price | $117.99 | $117.43 |
| Brand | JBL | JBL |
| Condition | Refurbished | New |
Why choose JBL Commercial CSS-BB4X6 4" Backcan For CSS8004 B-Stock
- ✓ Pack of six backcans for bulk commercial deployments
- ✓ Meets UL1480, UL2043, NFPA 90, and NFPA 70 safety standards for code compliance
- ✓ Reduces installation labor by fitting standard 4-inch acoustic tile openings without custom framing
- ✓ Stainless steel screws included; designed for air handling plenums
Why choose JBL MTC-14WG High Humidity Weather Grille For C12/C14, Wht (Pair)
- ✓ Aluminum alloy construction resists rust and pitting in high-humidity settings
- ✓ Scrim backing breaks up driving rain and protects speaker cones
- ✓ Simple press-fit installation requires no tools or expertise
- ✓ Works with multiple JBL Control speaker models (12C/T and 14C/T)
Frequently asked questions
What speakers do these products work with?
The CSS-BB4X6 backcans are designed exclusively for JBL CSS8004 in-ceiling speakers. The MTC-14WG grille is compatible only with JBL Control 12C/T and 14C/T ceiling speakers. They serve different speaker families and are not interchangeable.
Are these products for indoor or outdoor use?
The CSS-BB4X6 is for indoor commercial installations in suspended ceiling systems, including air handling plenums. The MTC-14WG is specifically engineered for outdoor and high-humidity environments such as poolside areas, covered patios, and venues exposed to moisture and rain.
Do I need professional installation?
The CSS-BB4X6 is intended for professional commercial installers familiar with suspended ceiling systems and building codes. The MTC-14WG has beginner-to-professional skill-level suitability and features simple press-fit mounting that does not require tools or special expertise.
What compliance certifications does the CSS-BB4X6 hold?
The CSS-BB4X6 meets UL1480, UL2043, NFPA 90, and NFPA 70 safety standards when paired with a UL Listed CSS8004 speaker, ensuring fire-rating and safe deployment in return air plenums. The MTC-14WG does not carry similar fire-safety certifications and is not rated for air handling spaces.