Check the listing for details. K&M 18811 Stacker for Omega Keyboard Stands Ruby Red LN. Color: Ruby Red, Condition: Used. Listed at 206.79 USD. The K&M 18811 Stacker Omega keyboard stands is a practical and innovative solution for expanding your keyboard setup. Designed to complement the Omega-E, Omega and Omega Pro stands, this stacker allows you to add a second keyboard, laptop or MIDI controller without compromising visibility or accessibility. Its adjustable depth and height settings ensure a customized fit, while the spring-loaded clamping knobs make adjustments quick and hassle-free. With a durable steel construction and non-marring, slip-proof material on the support arms, this stacker provides stability and protection for your gear. Whether you're in the studio or on stage, the 18811 Stacker enhances your workflow and keeps your instruments secure.