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The XS-4 active is a single 18" subwoofer with built-in class-D amplifier and Fohhn DSP. It provides optimal support to the speakers in the X, Linea, Arc and Focus series in the bass range. The powerful Sub is characterized by precise low-frequency reproduction, a high power rating and versatility.
power rating (peak); maximum SPL: peak, 20 ms with bandpass filtered pink noise signal according to IEC 60268-2 at one octave above the lower limit of the frequency range
frequency range: -10 dB under anechoic halfspace-conditions
weight: net weight without optional equipment