Valcom VB-S20 Surface Mount Backbox
Overview
The VB-S20 is a surface mount backbox for Valcom speaker and communication devices where a flush, in-wall installation isn't practical — exposed block walls, retrofit jobs without wall cavity access, or ceiling locations that need a surface-applied enclosure rather than a cut-in ring. It finishes in white with a light texture powder paint, so it sits cleanly against painted drywall or block without requiring an on-site paint match.
Compatibility
The VB-S20 mounts to both wall and ceiling surfaces and is built for Valcom column-style speaker and paging hardware that supports surface-mount installation rather than flush/in-wall mounting. It's listed as an optional companion enclosure alongside Valcom's 2'x2' lay-in ceiling speaker and analog clock unit with InformaCast support (VIP-4122-A12-IC) — relevant when you're standardizing a job on lay-in ceiling paging/clock hardware but need a surface box option for areas without a drop ceiling grid. Microphone-equipped devices are supported in this backbox, so it also works for paging points that double as intercom or listen-in stations.
Installation Notes
Surface mount to wall or ceiling — no in-wall rough-in required, which speeds installation on concrete, block, or finished surfaces where cutting a flush opening isn't practical. Confirm the specific Valcom speaker or communication unit you're pairing it with lists surface-mount compatibility before ordering, since Valcom's backbox line splits between flush and surface variants by product family.
What's in the Box
- 1x VB-S20 surface mount backbox