KEF PSW2500 zilver

Subwoofer

Design 
Closed Box 

Drive unit 
250mm ultra long throw bass driver

Frequency response at 15° 
horizontally off axis ±3 dB 
33 Hz – 150 Hz 

Amplifier requirements 
250 W built in 

Sensitivity (2.83V/1m) 
100mV for full Output 

Maximum output 
108 dB 

Magnetic shielding 
Yes