MD40N1

4” Mid-Range Speaker

  • 4Ω nominal impedance
  • 3.6Ω minimum impedance
  • 60W RMS capacity
  • 92 dB sensitivity
  • 173-18K Hz response
  • 38.6mm(1.5in) voice coil

MD40N1 boasts outstanding midrange restoration with precise detail capture and a clean, uncolored tone. An efficient magnetic circuit enhances sound cohesion and positioning accuracy, delivering warm, thick midrange with clear, transparent layers. It restores genuine musical texture for an immersive listening experience with delicate emotional expression.

Nominal Chassis Diameter4/103 in/mm
MAX Power120 Watts
RMS Power60 Watts
Impedance4 ohm
Resonance Frequency177 Hz
Frequency Response173-18000 Hz
Sensitivity(1W/1m)92 dB
Voice Coil Diameter1.5”/ 38.6mm
Winding materialCCAW
MagnetNeodymium
FS177 Hz
Vas0.44 dm3
RE3.6 ohm
Qms2.0
Qes0.56
Qts0.44
BL6.77 T/m
MMS6.48 grams
Xmax2.1 mm
Sd50.2 cm²
Efficiency0.41 %
EBP316
Overall Diameter4/103 in/mm
Bolt Cirde Diameter4.2/106 in/mm
Baffle cutout Diameter3.7/93 in/mm
Depth2.4/64 in/mm
Net Weight0.9 kgs
Shipping Weight0.95 kgs
Shipping Box10.5X10.5X7 cm
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