I designed these to give my monitors a an upward tilt. They can also be spun around to create a downward slant if your monitors sit above ear level, as long as the face of your monitor is flat.

They're made to be universal. Each one is about 6¾ inches long. My JBL LSR305's (https://amzn.to/4u0QiP6) are over 9 inches deep, and they sit on them securely with no risk of tipping forward.

You can add a strip of foam on top if you want to cushion the monitors and reduce vibration. Or, if you prefer, use some low-tack double-sided tape to keep everything in place. Personally, I've done neither. They've stayed solid even at normal listening volumes, so it's entirely up to you.

Post your makes/remixes! And please consider checking out the short video for more info! https://youtube.com/watch?v=Q4O89HC-gHs

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