About Us

Linear LLC, a leading manufacturer of multi-room audio/video distribution systems, speakers, intercom systems, central vacuum systems and structured wire products for communications, computer networking and home theater. We also manufacture wireless security systems, access control and personal emergency reporting equipment as well as garage door and gate operators. Brand names include ChannelPlus, OpenHouse, M&S Systems, AirVac, AllStar, OSCO, Linear Security, Linear Access and Linear Operators.

Headquarters: Carlsbad, California.

Founded 1961.

A subsidiary of a multi-billion-dollar manufacturer and distributor of high-quality building, remodeling, and indoor environmental control products for residential and commercial markets. Our corporate size and scope enables us to provide a broad range of competitive home building products at competitive pricing.

Copyright and Trademarks of Linear LLC

Our Web site is owned and operated by Linear LLC. Unless otherwise specified, all materials appearing on our Web site, including the graphics, logos, icons and images, are the sole property of Linear LLC, Copyright 2010, ALL RIGHTS RESERVED. The content and any software on our Site is the property of Linear LLC and/or its partners and is protected by U.S. and International copyright laws.