"It allows you to easily extend the wire length or add more speaker(parallel) into the sub."
"Also the bass is good and less dostortiveThe only problem is its connecting wires are less long and fragile. ."
"Decent sound quality & great built. Definitely a YES for this in such a small price."
"The built quality is not bad, but not exceptional. And the speakers are connected by inserting two wire nods into the terminal sockets, which is a very ancient technology."