Great store. Will be my favorite in the future. Sent quickly. All items are brand new sealed. And the prices are very nice. Separately, I want to thank Álex Guerra, who controlled my order from start to finish. In general, you are great!!
Thank you for the service. Absolutely top
Great comms. Very helpful and reliable all along
Order placed packaged well, dispatch and delivered promptly Would use again. Thank you
42/5000 the best team, both human and technical
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4+N Analog Audio Intercom Kits – Universal Entry Systems for Homes and Small Buildings
At TDT Profesional, we offer a wide selection of 4+N analog audio intercom kits from leading brands like Fermax, Golmar, Comelit, and Tegui, including models from popular series such as CITYLINE, CITYMAX, Extra, and K-201. These kits are ideal for single-family homes or small residential buildings that require a reliable, affordable entry solution.
What Is a 4+N Audio Intercom Kit and How Does It Work?
The 4+N system is a classic analog setup that uses 4 common wires plus one individual wire per residence. It's simple to install and extremely reliable, making it a popular choice for many installations without digital requirements.
Why Choose a 4+N System Over Digital or IP Intercoms?
Analog 4+N systems are cost-effective, require no complex configuration or IP setup, and are easy to maintain. Perfect for installers seeking fast, proven, and low-maintenance audio solutions.
How to Wire a 4+N Intercom Kit Correctly
Wiring is straightforward: 4 common wires + 1 per residence. For example:
- 1 apartment = 5 wires
- 10 apartments = 14 wires
This makes planning and future expansion easy and clear.
What’s Included in a 4+N Audio Intercom Kit?
Each kit contains all essentials for installation:
- Entrance panel
- Flush-mount box
- Indoor handset(s)
- Power supply
Cabling is not included, giving you the flexibility to adapt to each project’s needs.
Compare Fermax, Golmar, Comelit, and Tegui Kits
We stock models from top brands trusted by professionals.
- Fermax and Tegui offer durability and user-friendly design.
- Golmar features robust construction.
- Comelit offers versatile aesthetics and installation options.
Available Series: CITYLINE, CITYMAX, Extra, K-201, and More
Choose from various styles to match any project’s design or budget. Our product lines include modern, classic, and compact models to suit different architectural needs.
How Many Wires Do You Need Based on the Number of Units?
Use our quick guide: 4 common + N unique = total wires. This helps ensure accurate planning and error-free installation, especially in multi-unit setups.
Professional Installation Made Easy: Step-by-Step for Installers
These kits are installer-friendly, with intuitive wiring and universal parts. They’re perfect for electricians and technicians working on standard residential jobs.
Are 4+N Kits a Good Fit for Small Communities?
Absolutely. These systems are perfect for buildings with up to 10–12 apartments, where cost-efficiency, simplicity, and proven performance are key.
Where to Buy 4+N Intercom Kits with Fast Shipping and Support
At TDT Profesional, we offer in-stock products, fast delivery, and expert support. Get your 4+N kit today and enjoy a seamless, worry-free installation.