Hertz MPX 165.3 Coax Mille Pro 6.5" Speaker Set for Harley SKU: MPX 165.3



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The Best Coax Soft Dome Speaker for Harley Applications
The MPX 165.3 speaker set differs from other coax speakers on the market. A high output soft dome tweeter is built right into the center of the woofer magnet, accomplishing these essential things:

  • All sound originates from the same point for a much smoother transition between high and low frequencies.
  • It uses the woofer cone to complete a more significant horn flare, increasing the high-frequency output. The lower frequency limit of the tweeter is extended, allowing for bolder sound in the vocal range.
  • Locating the tweeter in the center of the woofer eliminates having to find a place to discover the tweeter on the bike's fairing.


    • Compatible Year - 1998+
    • Compatible Model - Street Glide, Road Glide
    • Location - Upper or Lower Fairing
    • Additional Adapter Required - No
    • Modification Required - No
    • Plug & Play - Yes
    • Works with Electric Lid Locks - N/A


Hertz Components: 1 Year


Water Resistant

High Level Performance

Road Glide

Street Glide


  • Model: MPX 165.3
  • Speaker Type: 6.5" 2-Way
  • Power Range: 100 Watts RMS; 200 Watts Peak Power
  • Impedance: 4 Ohms
  • Frequency Response: 45-21,500 Hz
  • Sensitivity: 92 dB/SPL
  • Woofer magnet: High-density flux ferrite
  • Tweeter magnet: Neodymium
  • Woofer cone: Pressed-pulp cone with cotton fibers
  • Tweeter dome: Tetolon

What's Included

  • (1) Pair 2-Way Speakers
  • (1) Instruction Manual