
DIB-4004 Comparison
| photo | price | summary | rating |
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![]() | $449.98 | Condition is New, NEW ESCO Trademark Intercom DIB-4004 Interface Box 2 Cards With Power Supply, FREE SHIPPING | ![]() |

The ESCO DIB-4004 Trademark Intercom Interface Box is a critical component in aviation communication systems, designed to facilitate the exchange of intercom and radio communications between pilots and other crew members in cockpit environments. This interface box is manufactured by ESCO Communications, a leading provider of avionics solutions.
The DIB-4004 is a compact, ruggedized device that measures approximately 6.5 inches long, 4.5 inches wide, and 1.5 inches high. It is built to withstand the harsh conditions of aircraft cockpits, featuring a robust aluminum housing that protects against vibration, shock, and extreme temperatures.
One of the primary functions of the DIB-4004 is its ability to interface with various intercom and radio systems, allowing for seamless communication between pilots and crew members. This interface box supports several popular avionics brands, including Bendix/King, Garmin, and Honeywell.
The ESCO DIB-4004 is also equipped with a power supply system that ensures reliable operation of connected equipment. It features a built-in 28VDC, 1.5A power supply, which can be configured to operate in either 14V or 28V modes. The power supply is designed to meet the demanding power requirements of avionics systems while maintaining efficiency and minimizing heat generation.
The DIB-4004's installation process is straightforward, thanks to its modular design and plug-and-play connectors. It can be easily integrated into existing avionics systems, requiring minimal wiring and configuration. The interface box also features LED indicators for power, intercom, and radio status, making it simple to monitor system operations at a glance.
In summary, the ESCO DIB-4004 Trademark Intercom Interface Box is an essential avionics component that enables efficient and effective communication between pilots and crew members in aircraft cockpits. Its rugged construction, versatile intercom and radio compatibility, and robust power supply system make it a reliable choice for aviation professionals.
The ESCo DIB-4004 Trademark Intercom Interface Box is a power supply unit designed for use in aviation applications. This device helps to distribute power to various avionic systems and intercoms in an aircraft. Here are some potential pros and cons of buying this power supply unit:
Pros:1. Reliable: ESCo is a well-known manufacturer in the aviation industry, and the DIB-4004 is designed to meet the rigorous standards required for avionic applications.
2. Versatile: This power supply unit is compatible with a wide range of intercoms and avionic systems, making it a popular choice for many aircraft owners and operators.
3. Efficient: The DIB-4004 is designed to minimize power consumption and maximize efficiency, which can help extend battery life and reduce fuel consumption.
4. Durable: The unit is built to withstand the harsh conditions of aviation environments, with a rugged design and high-quality components.
Cons:1. Cost: The DIB-4004 is a high-performance power supply unit, and it comes with a premium price tag.
2. Complex Installation: Installing this power supply unit requires a fair amount of expertise and experience, making it a more involved process than some other avionic upgrades.
3. Limited Compatibility: While the DIB-4004 is compatible with a wide range of intercoms and avionic systems, it may not be compatible with all models, so it's important to check the compatibility before making a purchase.
Conclusion:The ESCo DIB-4004 Trademark Intercom Interface Box is a high-quality, reliable, and efficient power supply unit that is well-suited for use in aviation applications. While it comes with a premium price tag and requires a complex installation, its versatility, durability, and compatibility with a wide range of avionic systems make it a worthwhile investment for many aircraft owners and operators. If you are in the market for a new power supply unit for your aircraft, the DIB-4004 is definitely worth considering.
Recommendation:If you are looking for a high-performance power supply unit for your aircraft, the ESCo DIB-4004 Trademark Intercom Interface Box is an excellent choice. Its reliability, versatility, efficiency, and durability make it a popular choice among aviation professionals. However, it's important to ensure that it is compatible with your specific avionic systems before making a purchase, and to plan for a complex installation process. Overall, the DIB-4004 is a worthwhile investment for those who demand the highest performance and reliability from their avionic equipment.
Details:
Functional condition new, cosmetic open box. Please be certain you can use what are buying on, as incompatibility is not a valid reason for return. This is the fastest way to get a response.
specifications entrysyst:
- brand: Esco
- mpn: Dib-4004
- type: Intercom Interface Box
payments entrysyst:
- wallet: google-pay
- other
- credit card: diners-club
general entrysyst:
- category: Home & Garden > Security > Door Entry Systems Intercoms
offer entrysyst:
- availability: in stock
- best offers: true
- in stock #: 1
- started: march 20, 2026
- options: ship-to-home
- price: $449.98
- item condition: New
- sold #: 9
returns entrysyst:
- method: money back
- paid by: seller
- policy: returns accepted
- time: 30 days
seller entrysyst:
- city: lawrenceville, georgia
- # reviews: 23133
- rating: 100.0%
shipping entrysyst:
- type: fixed
- class: standard
- service: standard
- transit: 4-7 days

