The 2014+ Harley-Davidson Ultra Stage 2 Audio Kit is a complete motorcycle sound system upgrade designed to deliver high-output clarity, increased volume, and balanced performance at highway speeds. This system combines a 4-speaker configuration with an 800-watt amplifier for a fully integrated audio experience.
 
Engineered as a plug-and-play Harley-Davidson audio upgrade kit, it is designed to integrate cleanly with factory systems while improving overall sound performance. This motorcycle 4 speaker audio system is built to overcome wind, road, and exhaust noise in real riding conditions.
 
As a complete Harley amplifier and speaker kit, it provides a strong foundation for riders looking to expand into higher-output audio configurations while maintaining system reliability.
 
The next step in motorcycle performance, our M5 audio kits are the loudest and clearest audio systems we’ve created. Featuring simple plug-and-play installation and paired with freeway speed output all create the best in class on bike audio experience.
 
Features/Benefits:
 
Plug-and-Play Design: Designed to work right out of the box. Everything is included to make for easy installation and all to ensure less time in the garage and more time out riding.
Full Throttle Output: Audio engineered to perform on the open road. Speakers and amplifiers specifically tuned and designed to not only overcome wind, road, and exhaust noise, but to give you that second to none audio experience on your bike.
 
RF3 (Rockford Factory Fit and Finish): Designed and engineered to match and compliment the factory fit and finish of your bike. These components are purpose built to the exact specifications to ensure the best-in-class fitment and look.
 
Element Ready™: Purpose built for the harsh motorcycle environment. The speakers and amplifier are designed to stand up to water, dirt, UV, and motorcycle vibration, ensuring that your audio system will stand the test of time.
 
FEATURES AT A GLANCE
No drilling or cutting required
Plug and Play design for easy installation
Kits bolt to factory attachment points
Direct connect wiring harnesses for Harley-Davidson® models
Speakers are custom tuned so you can hear music over wind, road & exhaust noise at highway speed
TMS65: 6.5" 2-way Element Ready™ speaker with integrated phase-aligned 25 mm tweeter
M5-800X4: 800-watt 4-channel IPX6 Element Ready™ amplifier
RFK-HD14M5: Amp install kit for M5-800X4 on 2014+ Harley-Davidson® models
Y-adaptors included in amp install kit supports expansion of lower fairing, saddlebag, or Tour-Pak® speakers
T-harness integration supports front/rear fader control (requires "Rockford Fosgate 2014+ All Bikes" flash)
T-harness features loop-thru for Digital Signal Processor (DSR1 sold separately)
90-degree harness included with amp install kit for Road Glide® installations
Factory Harley-Davidson® radio must be flashed to use this kit
Quality & Performance tested using proprietary RATS (Rockford Automated Testing System)
Klippel Verified certification program delivers the best possible loudspeakers
2-Year Warranty
 
UNRELENTING PERFORMANCE
 
The HD14U-STG2 is a high-performance 4-speaker, 800-watt amplified audio system that includes the following:
 • (2) 6.5" fairing speakers
 • (2) 6.5" tour-pak® speakers
 • (1) 800W 4-channel amp
 • (1) amp installation kit
 
Upgrade this kit on air-cooled lowers by adding:
 • (1) 6.5” lower speakers (see below)
 
Upgrade this kit to STG3 by adding:
 • (1) 6x9” saddlebag speaker kit (see below)
 
Upgrade this kit to STG5 by adding:
 • (1) 6x9” saddlebag speaker kit (see below)
 • (1) 10” dual sub kit (see below)