Simple Explanation

A speaker enclosure that uses a port or duct to improve bass output, particularly at lower frequencies.

Concise Technical Definition

A ported enclosure, also known as a vented or bass-reflex enclosure, is a type of speaker box that includes a port or duct to enhance low-frequency bass response. The port allows the air inside the enclosure to move, improving the speaker’s efficiency and extending its bass range.

Layman-Friendly Analogy

Think of it like a speaker with a built-in amplifier for bass. The port lets the air move in and out, helping produce deeper, more powerful bass without the need for a larger speaker.

Industry Usage Summary

Ported enclosures are widely used in subwoofers and full-range loudspeakers to increase bass output and efficiency. By utilizing a port or vent, these enclosures allow the speaker to produce more low-end frequencies, making them ideal for deep bass in home audio systems, theaters, and PA systems. Ported designs are often preferred in applications where enhanced bass response is needed, such as for music or sound reinforcement.

Engineering Shortcut

A speaker enclosure that uses a port or vent to enhance low-frequency response.

Full Technical Explanation

A ported enclosure, also known as a vented or bass-reflex enclosure, is a type of loudspeaker design where a port or duct is incorporated into the enclosure to improve bass output. The port allows air to move in and out of the enclosure, which interacts with the sound produced by the speaker driver. This results in a more efficient low-frequency response, as the movement of air through the port reinforces the bass. Ported enclosures are often used in subwoofers and full-range speakers to achieve deeper bass without the need for larger enclosures. The ported design also reduces the distortion and load on the driver, allowing for higher sound pressure levels with less effort.