Renkus-Heinz CFX42‐BACKBX 18 Gauge Metal backbox for CX42 is backordered and will ship as soon as it is back in stock.
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Product Overview
The Renkus-Heinz CFX42-BACKBX is an 18-gauge metal backbox designed for the CX42 loudspeaker. It provides a rugged rear enclosure for flush, recessed, or protected installations where the CX42 is integrated into a wall or architectural surface, supporting clean commercial AV finishes.
Product Description

Constructed from 18-gauge metal, this backbox is purpose-built to house the CX42 stair-step coaxial loudspeaker for recessed and flush-mount applications. It protects the rear of the loudspeaker and provides a consistent mounting reference for integrators finishing the CX42 into walls or custom enclosures.
Key Features
- Model-Specific Fit — Purpose-designed to house the Renkus-Heinz CX42 loudspeaker.
- 18-Gauge Metal Construction — Rugged steel backbox for durable, protected installation.
- Flush and Recessed Mounting — Supports clean architectural integration of the CX42 into walls and surfaces.
- Commercial-Grade Accessory — Designed for permanent install workflows.
Technical Specifications
| Type | Metal backbox accessory |
| Material | 18-gauge metal |
| Compatible Model | Renkus-Heinz CX42 |
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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