A lot of people have asked for it, and after months of work, we are finally testing soundbars. More info here.
Updated

Stereo Frequency Response

What it is: The average, compensated, in-room frequency response (spectral balance) of the soundbar. This shows how extended the bass is, and how well-balanced and accurately dialog and instruments are reproduced by the soundbar.
When it matters: When an accurate sound reproduction with a deep bass and clear dialog/instruments is desired. Frequency response has the biggest impact on the perceived accuracy and quality of sound, but doesn't show how loud or large/wide the sound is.
Score distribution

[Coming Soon]

Test results

Our tests

ST Slope

What it is: The derivative of the logarithmic fit (regression line) of the frequency response. This value shows the overall tonal balance (tilt) of the sound as opposed to the std. err. value which shows the overall deviation. Negative values translate to a bass-heavy sound and positive values represent a treble-heavy sound. 0 (a flat slope) represents a balanced tone.
When it matters: When the overall balance between bass and treble is important to you.
Good value: -0.7> <0.3
Noticeable difference: 0.2
Score distribution

[Coming Soon]

ST Std. Err.

What it is: The average deviation of the soundbar's in-room frequency response from the in-room target response. This shows the amount of error in frequency response, as opposed to the slope which shows the tonal balance of the sound. Higher errors represent a less accurate frequency response and lower values represent a more accurate sound.
When it matters: When you care about accurate sound reproduction in a fine-detailed view.
Good value: <2.5 dB
Noticeable difference: 0.1 dB
Score distribution

[Coming Soon]

Low-Frequency Extension

What it is: The lowest frequency at which the frequency response reaches -3dB of the target response. This shows how extended the bass of the soundbar is.
When it matters: When you want to experience the deep thump, punch, and rumble of electronic music, film scores, movies, and games. Dialog and vocals don't need an extended bass to be reproduced accurately.
Good value: <35 Hz
Noticeable difference: 5 Hz
Score distribution

[Coming Soon]

High-Frequency Extension

What it is: The highest frequency at which the frequency response reaches -3dB of the target response. This shows how extended the treble of the soundbar is.
When it matters: When you want to experience the brightness, presence, and sparkle of dialog, cymbals, and other sounds with very high-frequency content.
Good value: 15kHz
Noticeable difference: 1kHz
Score distribution

[Coming Soon]

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