This AV:Link Active Subwoofer Cabinet features an 8-inch (20cm) reinforced driver and an internal amplifier with an active filter circuit. It offers connectivity via twin RCA or from a stereo amplifier using spring terminals. The unit includes rotary controls for cutoff frequency and gain, and an auto-off function to conserve energy. Power is supplied via 220-250Vac, 50/60Hz and connections include speaker level input terminals and RCA line level inputs. The frequency response is 50 - 250Hz with a rated output power of 100W and a peak output of 200W. Its dimensions are 33.00cm x 33.00cm x 40.00cm and it weighs 7.44kg. This subwoofer provides a fully immersive experience for gaming, movies, and music with a cutoff frequency range of 45-150Hz.