Hogtunes QC Ultra 6-RM Amp/6 Speaker Kit For Ultra Models


  • $1,599.95
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  • Complete dual amplfier/6 speaker kit with 525 watts total power
  • Includes QC 475-RM "Quadcast" 300 Watt 4 channel Amplifer 
  • Includes REV 225-RM 225 watt amp
  • Kit fits FLH (Batwing) and FLTR Road Glide model Ultras
  • No radio "re-flash' is required (Road Glide Ultra owners please see Note 2 below)
  • Amplifiers feature R.E.M.I.T. circuitry which gives superb FM reception from a class D amp
  • Supplied "G4" front and rear speakers are direct replacements for stock speakers
  • Lower adaptors are gloss black to match "Limited" models factory inner fairing
  • Unlike car audio based systems, the radios fader control will continue to work
  • Includes metal mesh grills for all 6 speakers
  • Includes 100% plug and play wire harness
  • All required hardware to complete the installation is in the box
  • 3 Year warranty on amplifiers
  • 20 Year warranty on speakers
  • Drag Specialties Part # 4405-0786

Bike Fitment

  • 2014-Current FLHTK Limited Ultra Classic 
  • 2020-Current FLTRK Limited Road Glide Ultra  
  • 2016-Current FLTRU Road Glide Ultra 
  • 2014-Current FLHTCUG Tri Glide Ultra
  • Included In Box

    • 1x QC 475-RM 4 Channel Amplfier
    • 1x REV 225-RM 2 Channel Amplifier
    • 3 Pairs of G4 Speakers (Front/Rear/Lower)
    • 3 Pairs of Replacement Metal Mesh Grills
    • Speaker Adaptors For Liquid Cooled Models
    • All Required Mounting Plates For FLH and FLTR Models 
    • 100% Plug & Play Wire Harnesses 
    • All Required Hardware to Complete the Installation
    • 1 Installation Manual


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