Atlas Sound VTB-4 Environment-Resistant Voice/Tone Compression Driver

Robust Voice/Tone Compression Driver for Demanding Environments
The Atlas Sound VTB-4 is a high-performance, environment-resistant voice/tone compression driver designed for reliable communication in challenging settings. This UL-recognized speaker comes equipped with a 25V-15W transformer, making it an ideal choice for intercom systems, electronic alarms, and monitoring applications in both indoor and outdoor environments. The VTB-4 combines durability with exceptional sound clarity, ensuring your messages are heard loud and clear, even in the most demanding conditions.

Superior Sound Distribution and Intelligibility
Featuring an integral exponential horn, the VTB-4 delivers reliable sound distribution and optimal intelligibility for voice and electric tone signals. With a frequency response ranging from 600Hz to 5.5kHz, this speaker is specifically tuned to reproduce speech and alerts with remarkable clarity. Whether you're broadcasting announcements in a noisy factory or sending out alerts in a large outdoor area, the VTB-4 ensures your message cuts through ambient noise effectively.

Built to Withstand Extreme Conditions
Constructed with a die-cast zinc body and featuring a water-sealed driver, the VTB-4 is engineered to resist moisture, corrosion, vibration, vermin, and even vandalism. This rugged design allows the speaker to perform reliably in a wide range of environments, from humid industrial settings to exposed outdoor locations. The VTB-4 operates flawlessly within a temperature range of -30°F to 150°F (-34°C to 66°C), ensuring consistent performance in both freezing winters and scorching summers.

Flexible Installation and Integration
The VTB-4 is designed with versatility in mind. Its 6-inch color-coded leads allow for easy termination and seamless integration into existing audio systems. Compatible with a variety of standard and custom housings and face plates, this speaker adapts to diverse installation requirements. Whether you're setting up a new intercom system or upgrading an existing one, the VTB-4's flexible design makes it a convenient choice for installers and system integrators.

UL-Certified for Safety and Reliability As a UL-recognized speaker component, the VTB-4 meets stringent safety standards, providing peace of mind for both installers and end-users. The UL1480 listing further attests to its suitability for use in life safety and security applications. This certification ensures that the VTB-4 complies with industry regulations, making it an excellent choice for installations where safety and reliability are paramount.

Part of a Versatile Speaker Series
The VTB-4 is one of six models in the AtlasIED VTB Series, each designed to meet specific application requirements. While the VTB-4 features a 25V-15W transformer, other models in the series offer different impedance options and transformer configurations. This range allows system designers to select the perfect speaker for each zone within a larger audio installation, ensuring optimal performance across diverse environments.

Long-Lasting Performance for Years of Service
Engineered for longevity, the VTB-4 is built to provide years of trouble-free service in both stationary and mobile applications. Its resistance to environmental factors such as water, dust, and extreme temperatures ensures consistent performance over time. Whether installed in a busy industrial complex, a sprawling educational campus, or a remote outdoor location, the VTB-4 delivers reliable communication day after day, year after year.