How do I ground my speakers ??

[umbucker]

My speakers have 5 terminals on the back + and - and the smae for Bi Amp, they also have a Ground terminal, do only top end amps have this feature as my Denon AVR2808 does not have this - would it be stupid to suggest using the Ground connection on the amp for AM radio ??

 

[007L2Thrill]

I connect mine to the phono earth on my amp, just checked your denon and it as a phono earth so just connect the speakers to that, its called signal GND, but there is no difference in connecting to the AM earth like you said.