When you purchase through links in our articles, we may earn a small commission. The Speediance Gym Monster 2 promises a full-strength training workout in a minimal amount of space. The Speediance Gym Monster 2 is a well-designed, technically advanced home gym for anyone who wants to train seriously and regularly. It replaces traditional weights, saves a huge amount of space, and impresses with its intelligent training control. The Speediance Gym Monster 2 is positioned as a latest-generation digital strength training station and is aimed at ambitious home gym users who want to replace traditional dumbbells with intelligent resistance technology.