Massive Audio M6B 6.5″ 6-1/2″ 4-Ohm 400W Mid-Range/Midbass Car Pro Audio Speaker


Out of stock

*Sold Per Speaker.


  • 16oz Neodymium and Strontium Hybrid Magnet
  • Copper Voice Coil
  • Kapton Coil Former
  • Vented and Extended Core
  • Cast Aluminum Basket
  • Paper Cone
  • Flat Foam Surround
  • Alu Phase Plug Dust Cap


Nominal Basket Diameter 6.5″, 168mm
Nominal Impedance 4 Ohms
RMS Watts 140 W
Music Program 400 W
Resonance 270 Hz
Usable Frequency Range 270Hz-10KHz
Sensitivity 99 dB
Magnet Weight 16 oz
Voice Coil Diameter 1.5”, 38.5mm
Resonant Frequency (fs) 167.6Hz
DC Resistance (Re) 2.6
Mechanical Q (Qms) 5.58
Overall Diameter 6.5″, 168mm
Baffle Hole Diameter 5.57″, 144mm
Mounting Holes Diameter 0.22″, 5.5mm
Mounting Holes B.C.D. 6.1″, 155mm
Depth 3.19″, 81mm
Coil Construction Kapton Former
Coil Former Kapton Former
Magnet Composition Neodymium and Strontium Hybrid Magnet
Basket Materials Cast Aluminum
Cone Composition Paper Cone
Cone Edge Composition Flat Foam Surround
Dust Cap Composition Neodymium Phase Plug
Weight 6 lbs
Dimensions 6 x 6 x 4 in
Speaker Design


RMS Power

Peak Power


Product Type