Bowers & Wilkins CCM646S Inwall Speaker Owner’s Manual

About this manual

This manual introduces the CCM646S inwall speaker, explains the five‑year limited warranty (two years for electronic components), and outlines the required contents of the package. It emphasizes proper installation to achieve optimal sound performance and provides guidance on locating the speaker, preparing the cavity, and complying with fire‑safety regulations.

Detailed sections cover mounting procedures, recommended cable resistance, speaker adjustment via the front‑baffle switch, and finishing options such as painting the frame. The guide also warns about magnetic field proximity and offers tips for positioning speakers to avoid bass boom and ensure clear speech intelligibility.

What's inside

• Limited Warranty
• Installation Instructions
• Mounting Guidelines
• Cable Recommendations
• Speaker Adjustment
• Customising Finish

Specifications

Frequently asked questions

What clearance should be kept from walls or ceilings when installing the speaker?

Keep at least 0.5 m (20 in) clearance from walls, ceilings, or junctions.

What is the recommended maximum resistance for speaker cable?

The cable loop resistance should be kept below 0.5 Ω.