Now how can i change this.

[Slim3967]

to broadcast at 24kbps, you would
; choose 256kbps/24kbps=20 maximum listeners.)

[Nick@ss]

you can change the bitrate in the shout cast dsp,

if you mean you need more upload then you may want to look at stream hosts,

http://www.radiotoolbox.com/hosts or check the links in my sig below,