Professional Audio Systems for Homes & Businesses
Crystal-clear sound solutions designed and installed for every space — from living rooms to large commercial venues.
About This Service
ET Security designs and installs professional audio systems for residential and commercial clients. Whether you need whole-home audio, a background music system for your business, or a high-performance sound system for a conference room or venue, our team delivers clean installations and exceptional sound quality.
What's Included
Every audio system we install is tuned for clarity, coverage, and ease of use.
Whole-Home Audio
Multi-room audio systems that let you play music in any room — independently or all at once — controlled from your phone or a wall panel.
Commercial Sound Systems
Background music and paging systems for retail stores, restaurants, offices, and other commercial spaces — professionally tuned for even coverage.
In-Ceiling & In-Wall Speakers
Flush-mounted speakers that disappear into your ceiling or walls, delivering great sound without cluttering your space.
Outdoor Audio
Weatherproof speakers for patios, pools, and outdoor entertainment areas — built to withstand the elements while delivering clear, full sound.
Conference Room Audio
Professional microphone and speaker systems for conference rooms and boardrooms — clear voice pickup and natural sound reproduction for every meeting.
Smart Audio Integration
Integration with Sonos, Control4, and other smart home platforms for seamless control of your audio system from any device.
Where We Install
From single rooms to entire facilities, we design audio systems for every environment.
Why Choose ET Security
Great sound starts with a great installation.
Professional Installation
Clean cable runs, flush speaker mounting, and proper acoustic placement — every detail matters for great sound.
Premium Equipment
We install trusted brands including Sonos, Klipsch, Polk Audio, and Yamaha — equipment chosen for reliability and sound quality.
Custom System Design
Every system is designed around your space, listening preferences, and budget — no one-size-fits-all solutions.
Local Long Island Service
Based in Hauppauge, we serve Nassau and Suffolk Counties with fast response times and local accountability.
Smart Home Integration
We integrate your audio system with existing smart home platforms so everything works together seamlessly.
Ongoing Support
We're available after installation for system adjustments, expansions, and troubleshooting whenever you need us.
Our Process
From first conversation to perfect sound — a clear, professional process.
Consultation
We discuss your audio goals, the spaces involved, and how you want to control your system.
Site Assessment
Our technician visits to evaluate room acoustics, speaker placement options, and wiring routes.
System Design
We design a custom audio layout with equipment recommendations tailored to your space and budget.
Installation
We install all speakers, amplifiers, and control systems — with clean wiring and professional mounting.
Tuning & Handover
We calibrate the system for optimal sound, walk you through the controls, and provide ongoing support.
Project Gallery
A sample of completed audio system installations across Long Island.
Frequently Asked Questions
Elevate Every Space with Great Sound
Contact ET Security today to schedule a consultation and get a custom audio system designed for your home or business.