MTX Audio RoadThunder 250W 12" Subwoofer - RT12-04

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  • Regular price $199.00

The looks of this subwoofer tell exactly what’s in store! Powerful, deep and accurate Bass at an unbelievable price point. This subwoofer shines when used in a sealed enclosure and causes a small earthquake when used in a vented enclosure.

This product has been replaced by the TN12-04: Click here to view


  • Long Throw suspension for low distortion and high power handling
  • One-piece cone with 3D embossed MTX logo
  • High tensile steel frame for more rigidity
  • Large magnetic structure (130x25mm) for more power handling
  • 2" / 50mm voice coil for more reliability
  • Tinsel leads braided in the spider for more reliability
  • Oversized spider for more Xmax
  • StreetWires push connectors
  • SPV technology for coil cooling


  • Frequency Response 20Hz - 500Hz
  • RMS Power: 250 Watts (Capable of up to 400W RMS)
  • Peak Power: 750 Watts
  • Recommended RMS Amp Power: 125 - 300
  • Sensitivity: 92dB
  • Voice Coil 2" (5.08 cm)
  • Magnet Weight: 47 oz.
  • Mounting Depth: 5.187" (13.4 cm)
  • Cut Out Diameter: 10.92" (27.8 cm)
  • Sealed Enclosure Net Volume: 35.3L
  • Vented Enclosure Net Volume: 56.7L

Download the user manual here