#3
You'd need a speaker cable, one end needs to be a jack...not too sure about the other...sorry.
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#4
Just ask for a speaker cable dude . tell them what its for and make sure its not an instrument cable. and try and get youre hands on a short one .not more than 1 m (IMO)
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#5
Not the one in the link. As far as I know, most guitar amps will need a 1/4 to 1/4 speaker cable.

Speakons come into play when the wattage is over 300W or so.
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