• Product type: High-performance SPL subwoofer
  
• Series: Ground Zero Nuclear
  
• Size: 38 cm / 15″
  
• Power handling: 3000W RMS / 6000W max
  
• Impedance: Dual 1 ohm
  
• Sensitivity: 91 dB
  
• Power recommendation: 2500 – 6000W
  
• Motor: Multi-piece neodymium
  
• Basket: Solid aluminum cast
  
• Voice coil: 75 mm / 3″ CCA round wire
  
• Spider: 2 x 2 layer Nomex
• Max. excursion (Xmax): 65 mm / 2.56″
  
• Cone: Coated carbon-fiber
  
• Dust cap: Carbon-fiber
  
• Mounting diameter: 358 mm / 14.09″
  
• Mounting depth: 300 mm / 11.81″
  
• Resonance frequency (Fs): 36.6 Hz
  
• Qts: 0.16
  
• Vas: 35 L / 1.24 cu.ft.
  
• Features: Klippel® optimised

• Built for extreme SPL output with the motor force and control to back it up
  
• Multi-piece neodymium motor delivers serious output without unnecessary motor mass
  
• 3 inch voice coil and heavy-duty suspension support very high power handling
  
• Rigid cast basket and carbon-fiber cone structure help maintain control under load
  
• Dual 1 ohm configuration gives strong flexibility for high-power amplifier matching

• High-output daily systems with serious amplifier power available
  
• Competition-focused SPL builds
  
• Users chasing maximum impact and output over subtle low-end tuning
  
• Large enclosure builds designed around aggressive substage performance
  
• Installers and enthusiasts building around high-current electrical systems

This is for builds where output is the whole point. If you’re already committing to the enclosure, power, and electrical support needed for a serious 15, this is the kind of sub that justifies the effort.