Saves so much time and headache I wish I had bought it years ago. Like others, I wish there were extra screws because they are so small I lost two during installation. During installation, use the box/tray to catch the loose screws. Remove the transparent tube that runs in the shaft of some of the gold connectors, see my picture. Nowhere, including the video, says this, so I spent time threading the speaker cord into the handset. I realized they weren't needed when my second set arrived without them. Another thing to consider is how far they protrude from the speaker. On my Atmos Klipsch speakers, they scratched my case because they protrude beyond the speaker case. Pull on the cable before plugging it into the speaker or receiver to ensure the cable is screwed in securely. They have completely penetrated the listener and protrude from the housing in terms of dynamics. I'm guessing the red and black case is screwed down to hide the extra banana plug shown in the photos (not the positive ones). I've used them on 16 AWG and 12. Pioneer receivers and Klipsch speakers.
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