Bose 802 series 2 System for Karaoke
 

I have a pair of Bose series 2 , and the Bose controller c.
I have a Crown XTi 4000 receiver , and VocoPro KJ-7808RV Professional KJ/DJ/VJ Mixer.
I am looking for the Bose 302 Subwoofers to connect with the system, but it hard to find them.
My question is :
Can i use a pair of Behringer Eurolive VP1800S PA Subwoofers - 18 Inch, 1600 Watts with the Bose? and how can i connect them ? Do i need more receiver for them ? If not ! How can i connect them ? The Subwoofers need to connect through the Bose controller ? Please help me in detail . I really don't know much about this.Thank you in advance.