WOW!!! That is a rapid response!
Here is what equipment I have and then maybe you can help me on whether the ICBM would help me!

1-onkyo txds-898 receiver
2-acurus 200*3 to drive l/r/center speakers
3-onkyo has preamp in/out for all

4-front left and right are JBL s312 speakers
• Frequency Response (–3dB): 35Hz – 20kHz • Crossover Frequency(ies): 750Hz, 3000Hz

5-center channel speaker JBL scenter

Frequency Response (–3dB): 75Hz – 20kHz • Crossover Frequency(ies): 800Hz, 3200Hz

6-side speakers cambridge sound works dual sub woofers with satellites

7-rear speakers-Pinnacle PN6+
Frequency Response: 40-21 kHz (+/- 3 dB)

Crossover Frequency: 2.5 kHz

8-Pinnacle passive sub (dual 6 inch drivers for center channel

9-Definitive technolgy powerfield 1500 subwoofer