Hogtunes QC 475-RM "Quadcast" 4 Channel Amp with R.E.M.IT.


  • $599.95
    Unit price per 
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  • Rated at 75 watts x 4 @ 2 ohms (300 Watts Total)
  • Cast aluminum 3D design provides exceptional heat management and thermal performance in high heat climates
  • Revolutionary new shape fits seamlessly inside fairing for easy install.
  • Amplifier fits FLH (Batwing) and FLTR Road Glide model bikes
  • Features proprietary  R.E.M.I.T. circuitry which gives superb FM reception from a class D amp
  • Made specifically to work best with factory HD radio. No crossover, gain, or EQ adjustments
  • No radio "re-flash" is required (Road Glide Ultra owners please see Note 2 below)
  • Unlike car audio based systems, the radios fader control will continue to work
  • Amplifier is specifically designed to work with bikes small factory charging system
  • Includes 100% plug and play wiring and all required hardware to complete the installation 
  • Can easily link to Hogtunes REV 225-RM to create 6 channels of power (both amps inside fairing)
  • 100% designed and tested in Phoenix AZ
  • 3 Year Warranty
  • Drag Specialties part # 4405-0767

Bike Fitment

  • 2014-Current FLHTK Limited Ultra Classic 
  • 2014-Current FLHTCU Ultra Classic 
  • 2020-Current FLTRK Limited Road Glide Ultra  
  • 2016-Current FLTRU Road Glide Ultra 
  • 2014-Current FLHTCUG Tri Glide Ultra
  • 2014-Current FLHX Street Glide
  • 2015-Current FLTR Road Glide
  • 2018-Current FLHT Electra Glide Standard Fairing (with factory radio installed)


  • Included In Box

    • 1 QC 475-RM amp
    • 1 Mounting Plate for FLH (Batwing) Models
    • Required fasteners for FLTR (Road Glide) Models
    • Plug & Play Wire Harnesses For Front and Rear Speakers
    • All Required Hardware to Complete the Installation
    • 1 Installation Manual

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