Presonus ULT18s 18" Active Subwoofer

Exceptional Low-End Power and Precision: The PreSonus ULT18s subwoofer stands as a pinnacle of low-frequency performance, engineered to complement any full-range PA loudspeaker and serve as the ideal partner for the PreSonus ULT12 and ULT15 models. This subwoofer delivers a commanding, clear, and precise low-end punch that professionals demand.

Powered by 2,000 watts of Class D power and housed within a direct radiating, ported enclosure, the ULT18s subwoofer ensures detailed and powerful low-frequency performance that truly enhances the overall audio experience. Its custom 18-inch low-frequency transducer, equipped with a 4-inch voice coil, boasts an impressive 7 mm of driver travel before over-excursion, enabling the unit to move more air and deliver impactful bass response.

Setting itself apart in its class, the ULT18s incorporates a variable low pass filter, providing flexibility in tailoring the upper frequency limit to suit specific audio requirements. Additionally, a polarity invert feature contributes to optimizing sound integrity and phase alignment.

The subwoofer is designed with functionality in mind, featuring M10 fly points for easy rigging, ground stacking provisions, castor provisions for mobility, and a defeatable front-panel LED, making it suitable for a wide array of applications, ranging from mobile setups to permanent installations.

Highlights:

1. Specialized Woofer Design: 18-inch custom woofer with a 4-inch voice coil and 7 mm driver travel before over-excursion, ensuring impactful and precise bass response.
2. High-Powered Class D Amplification: 2,000 watts of Class D power (1,000 watts continuous) for commanding and clear low-end performance.
3. Versatile Inputs: 2 XLR/¼” combo inputs with direct outputs, ensuring flexibility in connectivity.
4. Frequency Control: Variable low pass filter and polarity invert for precise adjustment of upper frequency limit and phase alignment.
5. User-Friendly Design: Defeatable front-panel LED for low-visibility installations, offering discretion when required.
6. Installation Flexibility: Equipped with M10 fly points, ground stacking provisions, and castor provisions for versatile deployment options.
7. Model and Part Number: Model number - ULT18s, Part Number - ULT18s for easy identification and compatibility.
8. EAN: Universal product identifier - 0673454004551.
9. Package Dimensions: Measures 32.1 x 28.7 x 28.2 inches, ensuring comprehensive packaging suited for transport and deployment.