MTX Audio RoadThunder 150W 8" Subwoofer - RT8-04

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  • Regular price $149.00

The RT Series subwoofers deliver epic, deep and accurate subbass 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.


  • 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
  • 2.5" / 63.5 mm 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 28Hz - 500Hz
  • RMS Power: 150 Watts (Capable of up to 200W RMS)
  • Peak Power: 450 Watts
  • Recommended RMS Amp Power: 100 - 200W
  • Sensitivity: 92dB
  • Magnet Weight: 47 oz.
  • Mounting Depth: 4.96" (12.6 cm)
  • Cut Out Diameter: 9.05" (23 cm)
  • Sealed Enclosure Net Volume: 17.4L
  • Vented Enclosure Net Volume: 28.38L