Hello I recently purchased a peavey mark III 1x15BW combo and I am a little confused on the extension speakers. RAS1983 was kind enough to give me a link but we were still unsure. http://www.peavey.com/support\sea...ist\combo.cfm If I understand correctly the amp puts out 130w @ 4 ohms. The BW 15 is also a 4 ohm speaker. Soooo wouldnt I run the chance of damaging the amp if I were to run an extension speaker? And if so why have the ext jacks? Thanks for any help and my apologies if this is a stoopid question but it didnt make sense to me.