Acoustic performance for SBX core and SBX sub

Measured absorption coefficients (α) for the SBX core and SBX sub. This data represents the efficiency of sound energy conversion at each frequency band.

SBX sub: Tuning by air gap

The SBX sub features a suspended membrane for targeted bass control. Placing it close to the wall tunes it to ~75Hz, while increasing the air gap shifts absorption deeper. Hover over the bar below to see the target frequency.

Flush (Wall)Max Extension
0cm = 75Hz

Physics of Absorption (>1.0)

Values above 1.0 indicate hyper-efficiency typical of thick, freestanding absorbers. Because these panels capture sound from the front, back, and sides (edge diffraction), they absorb more energy than a flat surface of the same size. For you, this implies maximum acoustic impact with fewer units compared to standard wall-mounted foam.

Test Methodology

Measurements were conducted in Berlin using high-precision NTI audio test equipment. The testing environment was a 256m³ fully diffuse reverberation chamber, featuring natural reverb times measuring up to 20 seconds at specific low frequencies, ensuring maximum accuracy in the sub-bass range.