Polk audio SDA 2 ...4路座地 有面網
正常可試有意 PM...
Type: 3 way, 4 driver loudspeaker system
Crossover Frequency: 150, 2000Hz
Impedance: 5Ω
Bass Radiator: 1 x SW121
Midbass: 2 x MW6510 cone
Tweeter: 1 x SL2000 silver dome
Dimensions: 12 x 15 x 39.5 inches
Weight: 60lbs