1. Frequency Range Of Speakers

2. Frequency Of Subs The Frequency of The 2subwoofers go from 30-500 Hz

3. Frequency Of Subs The Frequency of the two stereo speakers go from 45- 20,000 Hz

4. Why is there such a big difference between the subs and speakers? The reason speaker frequencies are higher than subwoofer frequencies is because you want to be able to hear your music coming out of your speakers while your bass is up on your subwoofers. That frequency range difference is a big factor in making your whole system sound good