SUBWOOFER FOR STUDIO Active subwoofer to fill the low end of the spectrum in both stereo and 5.1 systems Allows you to adjust the frequency range of both the subwoofer and the connected satellites, allowing it to be adapted to different types of speakers. Infrared remote control is included for adjustments Phase variable between 0 and 180' for ease of placement ò 28Hz - 150 Hz ò 160Wò 12kg