The JBL E150P is a powered subwoofer designed to deliver robust low-frequency audio performance. Featuring a 10-inch (250mm) driver and a Class D amplifier producing 150 Watts continuous power, it offers a frequency response from 35Hz to 120Hz. Its sealed enclosure, constructed from MDF, is engineered for efficient bass reproduction. The E150P is equipped with versatile input options, including line-level (RCA) and speaker-level connections, and provides adjustable crossover frequency, phase control, and bass boost for seamless integration into various audio systems.

This service manual provides comprehensive guidance for the maintenance and repair of the JBL E150P powered subwoofer. It covers essential technical specifications, including detailed information on its audio performance, amplification, input and controls, power requirements, and physical dimensions. Furthermore, the manual outlines general maintenance procedures, such as cleaning instructions, and offers troubleshooting steps for common issues like no sound or distorted audio. Safety precautions, including proper power disconnection before servicing, are also emphasized to ensure safe operation and longevity of the unit.