The TH412

The “Road Monster”

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When you want serious bass, you want the TH412.

The TH412 "Road-Monster" is the only choice for the touring, event, or staging customer who needs high efficiency and sub 30Hz performance. There isn't another subwoofer on the market that offers this combination of compact size, extreme sensitivity, high power handling and low frequency extension.

140 dB out of a 412 cabinet!


  • operating
    frequency range
    33 Hz - 200 Hz - 3 dB
    27 Hz – 200 Hz -10dB
  • continuous output
    140 dB SPL
  • peak output
    146 dB SPL
  • sensitivity
    110 dB (2.83 Volts into rated Z, at 1 meter), measured in half space
  • driver complement
    four 12" long excursion woofers
  • dimensions
    26.5 x 45 x 45 inches
  • weight
    357 lbs
  • Rated Impedance
    a single 2 ohm load
    two 4 ohm loads
  • Power Rating
    4000 W continuous 8000 W program

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