Products · Audio and Video Systems


At National Security, we offer a wide range of services beyond security. We offer, surround sound, home theater, and speaker systems. NSI will install your sound system using the latest equipment. We are a Klipsch sound system dealer. We also offer Sony systems as well. Call and ask about our current sound systems.

SONY HomeShare

This remarkable system of modular units networks selected rooms in your house to allow whole home audio, room-to-room music sharing and mp3 access from a PC. It can also serve as an intercom and room monitor.

Sony Home Entertainment Systems

With your integrated, multiroom solution, you’ll have a new way to enjoy music, TV, and video — throughout your home.

Deluxe Screen Wall

This contemporary screen model is great for use in a home, board-room, auditorium or any other location in which a projection screen is utilized.

Klipsch Speakers

National Security, Inc.
10410 Main Street
Fairfax, Virginia 22030

VA: 703-273-5555
MD: 301-656-6466
Loudoun Co: 703-771-1000
Toll Free: 800-886-0886
Fax: 703-273-0885