This is the user manual for the NS-IC400 in-ceiling speaker
This document is the owner's manual for the Yamaha NS-IC400 in-ceiling speaker. It covers preparation for installation, including optimal layout for stereo and home theater configurations, and lists the necessary tools and unpacking checks. The guide details the step-by-step procedure for cutting holes in the ceiling and mounting the speakers securely using the provided clamps and screws.
| Diameter | 139 mm (5-1/2") |
|---|---|
| Depth | 84 mm (3-3/8") |
| Cutout Diameter | 122 mm (4-3/4") |
| Cutout Depth | 79 mm (3-1/8") |
| Ceiling board thickness | 5 — 30 mm (1/4" — 1-1/8") |
You should work with two or more persons for safety when mounting the speakers.
For best stereo performance, each speaker should be separated by a distance of 1.8-3.0 m (6-10 ft).
No, you must not fasten the speakers to a ceiling with nails, adhesives, or other unsafe hardware.