The Earthquake Sound MQB-1 easily attaches to individual theatre chairs, deck chairs, sofas or even large platforms that accommodate multiple chairs. In an ever growing world of AR/VR systems, the MQB-1 allows users to feel what they are experiencing and is the ultimate solution to complete any AR/VR experience. The MQB-1 can also bring the extra piece of reality and fidelity to any digital simulation. The neodymium magnet is up to seven times as powerful as a conventional ferrite magnet. It uses the same patented technology as its big brother, the Q10B, making it the most powerful, precise, and sensitive tactile converter on the market. Dont let the size of this thing fool you either. At just 3.5" tall and 3.5" in diameter, including the mounting feet, the MQB-1 pushes far beyond its weight class. The MQB-1 can transform any audio, video or gaming system into a truly enhanced reality experience, adding another dimension to your home.