Bi-Pole (Bipolar)
Simple Explanation
A speaker design where two sets of drivers on opposite sides move together in phase to create a wide, immersive sound.
Concise Technical Definition
A loudspeaker configuration with drivers mounted on opposing sides of the enclosure, wired in phase so both sides move synchronously. Used to produce a more ambient sound field, often for surround channels in home theaters.
Layman-Friendly Analogy
Like two people clapping in sync on either side of a room—the sound comes from both sides at once, filling the space.
Industry Usage Summary
Bi-pole speakers are typically used in home theater systems as surround speakers to broaden sound dispersion and reduce localization, enhancing immersion without pinpointing the speaker’s exact location.
Full Technical Explanation
Bi-pole (or bipolar) speakers use two sets of drivers positioned on opposite sides of the speaker cabinet, with both sets operating in-phase—moving in and out together. This design produces a more diffuse sound field than direct-radiating speakers but is more directional than di-pole designs. Bi-poles are effective in home theater environments where ambient, non-localizable sound from surround channels is desired without compromising clarity or tonal balance.
Related Terms
Cabinet, Diffuse Sound, Dispersion, Home Theater, Immersive Sound, In-Phase, Loudspeaker, Phase, Room, Sound, Sound Field, Surround