About the data

Measurements

Measured accuracy comes from Spinorama, which collects anechoic and Klippel NFS measurements by Audio Science Review, Erin's Audio Corner, Princeton and manufacturers. We use derived values only (the preference score and bass extension) and link every value to the original review. The measurements belong to their authors.

Badges

Maker specs

Woofer size, port position, maximum level, inputs and dimensions come from the makers' manuals and spec sheets. Every value is stored with its source.

Prices

Prices are typical street prices and may have changed. Where a model has no price in your currency yet, we show a converted estimate and say so.