I thought I would post the specs. on the speakers

I'm thinking about adding more weight to the cabinets for better coupling to floor

Specifications:

Frequency Response: 30 ~ 26,000Hz (+ 3,-3dB)

Sensitivity: 89dB at 1W/1M

Power Handling: 220W RMS / 315W MAX

Impedance: 4 ohms (nominal)

Crossover Points: High Pass(2nd Order) at 2500Hz

Low Pass(1st Order) at 2000Hz

Dimensions: 8"W x 9"D x 42"H

Weight: 40lbs