The JBL SE-401 is a compact and versatile speaker system designed for both home and professional use. It features a sleek design that fits well in various environments, whether for casual listening or critical sound reproduction. The speaker system is known for its ability to deliver clear and balanced audio across a range of frequencies. With a power handling capability that allows for substantial loudness without distortion, the SE-401 is suitable for both music playback and vocal performances. The build quality includes robust materials that ensure durability while maintaining a lightweight profile. The frequency response range typically falls between 40 Hz to 20 kHz, which allows it to cover most of the audible spectrum, making it ideal for a variety of audio applications. It often supports connections for both professional equipment and consumer electronics, enhancing its usability. Some iterations of the SE-401 may also include built-in amplification options to further streamline setup and improve performance without the need for external amplifiers.