How to use: Very simple, Treat it as a subwoofer! MINI Somatosensory music low-frequency vibrator from NASA (NASA) technology with frequency response from 20 Hz to 150 Hz. Rated power :10W, the Peak power of 30W, impedance of 8 ohms, diameter of 3.37 inches, 1 inch high. Uses: Generally used for car seats, home theater and massage cushions, body massage music massage mattresses, as well as entertainment cafes, SPA, etc .. You can feel the somatosensory bass music brings immersive unique effects. Specifications: Specifications: Power handling: 10Watts RMS / 30 Watts max - Impedance: 8ohms -Usable frequency response: 20 to 80 Hz - Fs: 40 Hz - Force peak: 30 lbs. Per ft total when used in 4 PUCK -Net Weight:280g - Dimensions: 3.37 "dia. X 1" H Package included: 1PCS Vibration Speaker ?