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Spec drill · Noise

Double Stack XL SL400 vs Foodi DZ302

A side-by-side readout for noise.

Ninja · Double Stack XL SL400
60dB
Ninja · Foodi DZ302
60dB
Context

Understanding noise

Noise is a numeric spec measured in dB. On this metric, lower values are generally better — smaller, lighter, thinner, or less demanding usually translates to a more comfortable or more efficient product. When comparing two products, focus on the percentage gap rather than the raw delta: a 200-unit lead means something very different at the low end of the range than at the high end. Pay attention to the unit, too — manufacturers sometimes quote peak or burst figures that are not sustained in real-world use. Cross-check the published number against independent measurements where possible, especially for performance and battery claims. Finally, remember that a single spec rarely tells the whole story; the Mars Score weighs noise together with the rest of the spec sheet so one outlier doesn't distort the verdict.

This matchupIn this spec, Double Stack XL SL400 and Foodi DZ302 are effectively tied at 60dB — buyers can treat them as equivalent on noise alone.

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Other specs on this comparison

See the full Air Fryers category for all products ranked by Mars Score.