Bose SW-4 Powered Subwoofer Tech 22/02/2014 Audio Bose SW-4 houses four 16 cm magnetically shielded woofer speakers. Bose SW-4 Specifications: Output: 240W (4 ohm, 35Hz LPF 150Hz) Input sensitivity : Line input / 230mV, SP LEVEL/3.2V (at 35Hz) Input impedance : Line Input / 12k?, SP LEVEL/4.7k? LPF variable frequency range : 50Hz ~ 150Hz, continuously variable 24dB/oct phase switching : yes standby power consumption: 0.3W power consumption : 98W power supply voltage : AC100V (50/60Hz) Dimensions : 37.0 cm width x 40.1 cm height x 39.9 cm depth Weight : 27kg Bose SW-4 Photos Gallery