Free Room Acoustic Modes & Subwoofer Placement Calculator Online
Calculate room standing wave frequencies (axial, tangential, oblique modes) and optimal speaker/subwoofer listening positions for home theaters. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Enter Room Dimensions
Input room length, width, and height in feet or meters.
Calculate Modes
View axial resonance peaks where bass accumulates or cancels out.
Review Subwoofer Placement
Find optimal 1/3 and 1/5 room boundary placements.
Frequently Asked Questions
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