The BioAcoustic Mat™ employs a powerful low frequency sound generator that delivers a deep acoustic massage for joints and tissues. The high-fidelity upper speakers add another dimension of sound therapy to the BioAcoustic Mat. Vibroacoustic relaxation is not just for the brain. It also provides deep physical cellular stimulation to the skin, muscles, and joints. Use the BioAcoustic Mat in conjunction with the Bio-mat for optimal performance. Dimensions: Professional 73″ x 28″ x 3″ Single 79″ x 39″ x 3″.