Home AV tools that
actually do the math
Free calculators and guides for home theater and audio systems. No accounts, no ads, no tracking. Just the engineering.
Tools
Room Reflection Analyzer
Visualize where sound reflections concentrate in your home theater room. See heatmaps of reflection density on every surface to identify treatment zones before buying a single acoustic panel.
Speaker SPL Calculator
Calculate the sound pressure level (SPL) your speakers deliver at your listening position. Find out if your amplifier has enough power for reference-level playback.
Guides
Coming soon. Practical guides for home theater system design.