ng #12 or #10 wire to th= subs. You can also double up the #14 if that is easier. Also, on every spe=ker, best to plug up the parallel output with a Neutrik dummy plug to preve=t corrosion. Like this: https:/rwww.neutrik.com/en/neutrik/products/accessories/sealing-accessories <https://www.neutrik=com/en