MClass Subwoofers 15-MCR12D4


MClass gives solid, deep bass while being flexible enough to work in a variety of enclosures. The MCR sub is ideal for any user - especially those who are ready for a step up from our Power Reference sub.


  • Carbon layered cone
  • 4-layer winding on a 2" KaptonĀ® voice coil
  • Double roll butyl rubber surround stitched to the cone
  • Dual flat spiders with graduated rolls
  • Vented basket and vented spider spacer
  • Single or dual 4Ī© voice coil


Size (in) 12
Resonant Frequency (Hz) 31.41
Vas (Cf.) 1.66
Moving Mass (Grams) 171.25
Linear Xmax (in) 0.51
Linear Xmech (in) 0.77
Mechanical Q (Qms) 2.96
Electrical Q (Qes) 0.97
Total Q (Qts) 0.73
Sensitivity @ 1W/1M (db) 83.61
Voice Coil Diameter (in) 2
Motor Strength (T/M) 8
Magnet Weight (oz) 65
Recommended RMS Power (Watts) 300
Maximum Peak Power (Watts) 600
Cut-Out Diameter (in) 11
Frame Diameter (in) 12.22
Mounting Depth (in) 5.5
Driver Displacement (Cf.) 0.16