Each 20-21 is a full range speaker system with low frequency extending to 35hz or below depending upon room interaction.
Specifications
Frequency Response - 35Hz - 20k
Impedance - 8 ohms
Sensitivity (1w,1m) - 96 dB
Weight - 218 Lbs
HWD(in inches) - 90.25 x 11.25 x 16.5
Base dimensions (in inches) - 21.5 x 22.5
Minimum Wattage - 20 Watts
