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Hertz EMV 100.5 4" 40W RMS Comp Energy Midwoofers

  • SKU #: 02140
  • NewNew

Special Price $109.99

Retail: $209.99

($100.00 savings)

Availability: In Stock

Condition: Brand New
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Sold As: Pairs

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Special Price $109.99

Retail: $209.99

Hertz EMV 100.5 4" 40W RMS Comp Energy Midwoofers

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EMV 100.5 is a very powerful car audio midrange. This Energy.5 midwoofer can reproduce a very wide frequency range; from 80 Hz to 7,5 kHz. Thanks to its overall small footprint (44 mm) it can be installed in very small spaces. The V-cone® technology offers the best off-axis response and high sensitivity to details in mid-high frequencies. The large ferrite neodymium motor assembly ensures excellent mobile voice coil control, for maximum efficiency. A rubber cover protects it from abrasions and damages, providing damping to the basket and motor structure. Wide frequency range, emission linearity and install-friendliness, without compromise.


  • V-cone® for best off-axis response and clear mid-high frequency detail.
  • Water-repellent treated paper cone; butyl rubber surround.
  • Pure copper voice coil, wound on aluminium former, for exceptional thermal and mechanical capacity.
  • Large motor assembly for excellent control of voice coil.
  • Low carbon content plates for maximum magnetic permeability and high heat dissipation.
  • Rubber magnet cover provides damping to the basket and motor structure and protects from abrasions and damages.
  • DIN size basket coated with scratch-proof, corrosive-resistant material.
  • Tin-plated, high current terminals.
  • Silver-plated lead wires, for maximum reliability and conductivity.
  • Epoxy glue for basket and motor system provides perfect coupling.
  • Curve memory Nomex spider for consistent, reliable performance.


  • 4" Midwoofer
  • Power handling
  • 120W Max
  • 40W RMS
  • Impedance: 4-Ohm
  • Frequency response: 80 ÷ 7,5kHz
  • Sensitivity: 91 dB SPL
  • Voice coil: 1"
  • High density flux ferrite magnet
  • Water repellent pressed paper cone
Mounting Hole Diameter in 3.67
Mounting Depth in 1.74
Nominal Impedance (Znom) Ω 4
DC Resistance (Re) Ω 3
Voice Coil Inductance (Le) mH 0.15
Resonance Frequency (Fs) Hz 104
Mechanical Q Factor (Qms) 3.1
Electrical Q Factor (Qes) 0.87
Total Q Factor (Qts) 0.68
Moving Mass (incl. Air Load) (Mms) g 5.3
Suspension Compliance (Cms) mm/N 0.44
Effective Cone Diameter (D) in 3.47
Equivalent Volume (Vas) l 2.3
Force Factor (BL) T•m 3.5
Frequency Response Hz 80 - 7500
Voice Coil Diameter in 0.99
Power Handling Peak W 120
Power Handling Continuous W 40
Net Weight per component lbs 0.99

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