Ordinary 10 Pair (20) wire Indoor Telephone Cable makes excellent speaker wire. Colour coding waries from different manufacturers. One common type has a white wire paired with a coloured one. Connect all the whites together and use as one lead, and all the coloured ones together for the other lead. It presents both Low R and Low L. It is cheap, sometimes free if you know somebody who works for a telephone company. It works wery well, try it.