Are you a Dealer? Apply Here
Hover Over an Option
To get a detailed description of each category and it's available options, to help you make the correct selection.
Motorcycle Audio
Upgrade your ride with our radio kits, harnesses, antennas, micro-amps and aftermarket accessories designed for motorcycles.
Motorcycle Lights
Better visibility means a safer ride! Upgrade to brighter headlights with our wide selection of replacement LED headlights, headlight kits and auxiliary lights.
ATV Audio
Upgrade or add an audio system with our micro-amplifiers, can speakers and easy to install consoles for radios and speakers.
Accessories for Jeep
Lighting & Accessories
Light it up with everything from LED light bars, cube and strip lights to accent pods, whip light antennas, controllers and lighting installation accessories.
Audio Accessories
Cables, wires and audio installation accessories designed with the installer in mind.
Batteries & Accessories
Get the power you need! Choose from our AGM or lithium batteries, designed for marine and powersports applications. A wide range of charging solutions are also available!
Installation Accessories
Everything essential for 12 volt installations. From fuse blocks and connectors to USB chargers, heat shrink kits and more. A must have for your install bay or garage.
< Back INFKP4SPKSYS

Saddle Tramp has partnered with HARMAN to create this all-in-one 4-speaker audio system to fit 2014-2022 Harley-Davidson® Street Glide and 2015-2022 Road Glide motorcycles equipped with factory fairings and saddle bags. Everything needed to install an impressive aftermarket audio system is conveniently included in one package: two of HARMAN’s Kappa Perfect 6.5” speakers, two 6”×9’ cut-in saddlebag speakers, and a 4-channel amplifier, paired with an assortment of Saddle Tramp products that make installation easy. This assortment of Saddle Tramp products includes a DSP interface to reflash the OE radio, pre-tuned by HARMAN Acoustic Sound Engineers to provide best-in-class audio performance. This system is truly plug-n-play and does not require the installer to cut any wires. It also comes with step-by-step instructions to ensure results that installers can be proud of.

HARMAN’s Infinity Kappa Perfect Speakers deliver the ultimate listening experience on two wheels. They feature a lightweight, premium design and factory look and are durably constructed to last for miles and miles. They combine water-resistant construction, patented Plus One™ basalt fiber woofer cones, and edge-driven polyphenylene sulfide dome tweeters, providing an amazing soundstage with great bass and silky-smooth highs. The brand’s high-performance amplifiers are engineered to meet the demands of compact installation locations and withstand extreme environments. They feature Molex connectors to attach the Saddle Tramp DSP and a small footprint to easily fit into tight spaces.

Plug-n-play audio system includes:
  • HARMAN Kappa Perfect KP5004 4-channel amplifier
  • Pair HARMAN Infinity Kappa Perfect 600X 6.5” speakers
  • Pair HARMAN Infinity Kappa Perfect 900X 6”×9” cut-in saddlebag speakers
  • Pre-tuned Saddle Tramp DSP Interface
  • Saddle Tramp vehicle-specific amp installation kit
  • Vehicle-specific Saddle Tramp audio harnesses, including backbone speaker harness
  • Saddle Tramp Street Glide amp bracket
  • Saddle Tramp Road Glide amp bracket
  • Saddle Tramp OE amplifier bypass harness
HARMAN Kappa Perfect KP5004 amplifier:
  • Max power: 1250W peak
  • RMS power output @ 2 ohms (full-range): 125W x 4, <1% THD+N
  • RMS power output @ 4 ohms (full-range): 75W x 4, <1% THD+N
  • RMS power output @ 4 ohms bridged (full-range): 250W x 2, <1% THD+N
  • Selectable crossover:
    • Front: High-pass @ full/60/80/120Hz
    • Rear: All-pass, high-pass, or low-pass @ 60/80/120Hz
  • Frequency response: 20Hz – 20kHz
  • Signal-to-noise ratio (full-range): >75dB (ref 1W output @ 4 ohms)
  • Fuse rating: 40 amps
  • Dimensions: 200mm x 85mm x 45mm
  • All wires terminated with Molex or Molex-style connectors
    HARMAN Infinity Kappa Perfect 600X 6.5” speakers:
  • Power handling: 80W RMS, 240W peak
  • Sensitivity (@ 2.83V): 95dB
  • Frequency response: 60Hz – 20kHz
  • Impedance: 3.0 ohms
  • Basalt fiber woofer with Plus One™ technology
  • 1” edge-driven polyphenylene sulfide-dome tweeter
  • Removable tweeter design for component configuration
  • IPX5-rated speaker front, weather-resistant speaker back side
HARMAN Infinity Kappa Perfect 900X 6”×9” speakers;
  • Power handling: 100W RMS, 300W peak
  • Sensitivity (@ 2.83V): 95dB
  • Frequency response: 50Hz – 20kHz
  • Impedance: 3.0 ohms
  • Basalt fiber woofer with Plus One™ technology
  • 1” edge-driven polyphenylene sulfide-dome tweeter
  • Removable tweeter design for component configuration
  • IPX5-rated speaker front, weather-resistant speaker back side
Harley Davidson® ✵
  • Road Glide 2015-Up*
  • Street Glide 2014-Up*

✵Four speaker audio system is compatible with HD® Road Glide & Street Glide motorcycles equipped with factory fairing and saddle bags.

*Not compatible with Rockford Fosgate OE audio systems

To ensure proper functionality of the Saddle Tramp product, it is necessary to update the firmware of your Harman radio. Please follow the link below to access the updater files and instructions for updating your radio. Before updating the OE radio, disconnect all aftermarket harnesses. Additionally, a technical document detailing this procedure is available for reference.

H-D Service Portal