SUBWOOFER FOR STUDIO Active subwoofer to fill the lower part of the spectrum in both stereo and 5.1 systems It allows to adjust the frequency range of both the subwoofer and the connected satellites, which allows adapting it to different types of speakers. Phase variable between 0 and 180 'for ease of positioning ò 25 Hz - 150 Hzò 200W ò 21 kg