Blumenstein Infrasub 12"

Now offered in Active and Passive versions. The 12” Infrasonic sealed passive subwoofer offers industry leading power handling, clarity, and depth from such a small package. Frequency response is down to 8hz. Yes, you read that correctly. Power handling is 1000 watts RMS. From Wikipedia: “Infrasound is sound that is lower in frequency than 20 Hz (Hertz) or cycles per second, the "normal" limit of human hearing. Hearing becomes gradually less sensitive as frequency decreases, so for humans to perceive infrasound, the sound pressure must be sufficiently high. The ear is the primary organ for sensing infrasound, but at higher levels it is possible to feel infrasound vibrations in various parts of the body. The study of such sound waves is sometimes referred to as infrasonics, covering sounds beneath 20 Hz down to 0.001 Hz. This frequency range is utilized for monitoring earthquakes, charting rock and petroleum formations below the earth, and also in ballistocardiography and seismocardiogr