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Special Offer

Harley-Davidson® Boom!™ Audio Stage II Amplifier Kit - Fairing Mounted - 76000278A



Crank up the volume and let your bike speak for itself. Boom! Audio Amplifiers with built-in fixed EQs are smart, powerful, and tough. Harley-Davidson®. 


  • Marine-grade, Class D amplifier
  • Nominal output power: 75 Watts/channel into a 2-ohm load 300-watts RMS total
  • Boom! Audio EQs directs a different signal to each pair of speakers based on the bike model, speaker location, and speed
  • Designed to withstand the harsh on-the-road environment and were put through rigorous on and off-bike testing
  • An amplifier is required for each pair of Stage II Speakers added to your Boom! Audio-equipped Touring bike
  • Dealer Install Recommended: Yes
  • Audio Class: Class D
  • Sold In Units: Each
  • In the Box: Amplifier, all mounting hardware and wiring harness
  • NOTE: Use of a Boom! Audio Amplifier turns off the radio's internal amplifier. Installation of a third or fourth set of speakers requires the Boom! Audio Speaker Expansion Kit
  • Made in the USA

Fits ’14-later Electra Glide®, Street Glide®, Ultra Limited and Tri Glide models equipped with a Boom! Box audio system. Dealer Digital Technician software update is required. Dealer installation is recommended. Separate purchase of Power Extension Harness P/N 69200921 is required if installed with Hidden AM/FM/WB Antenna P/N 76000513, Electra Glo Headlamp Trim Rings or Fairing Edge Lights.

Product rating :

Sale Price : $605.95 Markdown: $569.59 THIS ITEM NEEDS TO BE SPECIAL ORDERED AND WILL SHIP IN 10 - 14 BUSINESS DAYS This product does not qualify for International Shipping