Electro-Voice EVC-1181S-PIB 18'' Weatherized Subwoofer (Black)

Weatherized 18-Inch Subwoofer for Fixed Outdoor Installations
The Electro-Voice EVC-1181S-PIB is a professional-grade 18-inch weatherized subwoofer designed to deliver deep, impactful low-end performance in outdoor fixed installations. Built to complement the full range of EVC loudspeaker systems, this subwoofer enhances audio systems with clean, powerful bass output. Its durable, weather-resistant construction ensures reliable operation in stadiums, outdoor performance spaces, and public venues where consistent sound quality is critical.

Optimized 18-Inch Driver for Rich Low-Frequency Sound
The EVC-1181S-PIB features a single 18-inch low-frequency transducer housed in a vented enclosure optimized for bass reproduction. With a frequency range extending down to 38 Hz, this subwoofer delivers precise, controlled low frequencies ideal for music playback, live sound reinforcement, and speech applications. Its robust design ensures high efficiency and minimal distortion, even at high output levels.

Weatherized Design Built for Outdoor Environments
Built to withstand outdoor conditions, the EVC-1181S-PIB includes a weather-resistant cabinet finished with Electro-Voice’s EVCoat for enhanced durability. A protective stainless steel grille and weatherized gland-nut input panel guard against moisture, dust, and debris, ensuring long-lasting performance in challenging environments. This rugged design makes it a dependable choice for permanent installations exposed to the elements.

Seamless Compatibility with EVC and EV-Innovation Systems
The EVC-1181S-PIB is specifically voiced to complement Electro-Voice’s EVC 8-, 12-, and 15-inch loudspeaker systems, including the EVC-1122/VI Variable Intensity loudspeaker. It also integrates seamlessly with other EV-Innovation loudspeakers such as EVF, EVH, EVA, and EVU models, making it a versatile addition to any professional audio system.

Active Filtering for Optimized Performance
To achieve optimal sound quality, the EVC-1181S-PIB requires an active low-pass filter and a fourth-order Butterworth high-pass filter. This setup ensures clean, distortion-free low-frequency response while allowing the subwoofer to function as a key part of a full-range audio system. It delivers controlled and accurate bass, ideal for reinforcing sound systems in larger installations.

Supports Distributed Audio Systems with Optional Transformer
For distributed audio systems, the EVC-1181S-PIB supports the optional TK-150 transformer for 70V/100V operation. With Automatic Saturation Compensation (ASC) technology, the transformer preserves low-end response and provides a stable load, even with multiple subwoofers connected in parallel. This ensures consistent sound quality and powerful bass output across large installations.

Flexible Installation Options for Various Configurations
The EVC-1181S-PIB offers multiple installation options to meet different venue needs. It includes multiple M10 suspension points for secure mounting and is equally suited for floor placement. The input panel supports wire gauges up to 10 AWG (6 mm) for reliable connectivity, while optional input covers accommodate NL4-type connectors for added flexibility in installation.