Not for average home use
Crutchfield Customer Review (What's this?)
This is not what you are looking for to install your speakers, the black plug has two negative speaker wires feeding it, right speaker negative and left speaker negative. Red plug is the same except + right and left. What you need is a dual plug that is red/black on same plug. A negagative and + on the same dual plug just like the end of your speaker wire. Sending them back.
Cons: Does not work for home speaker installs