See all parts that fit your 1991 Summit
4-Speaker Audio Upgrade Kit for select 2015-2016 FLTR Road Glide Includes Two 6.5" and Two 6x9" Coaxial Pro Audio Speakers, 4-Channel Amplifier and Vehicle-Specific Harnesses
Product highlights
• Includes one pair of 6.5" and one pair of 6x9" coaxial pro audio speakers, one 4-channel amplifier, and vehicle-specific harnesses
• Fits perfectly into select 2015-2016 FLTR Road Glide for seamless integration
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System
$999.99
List price $1175.00
250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers
$319.00
List price $339.00
280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers
$56.99
List price $71.99
The Diamond Audio DA1423RGSP4R delivers a complete, high-performance audio overhaul for your 2014-2023 Harley-Davidson Road Glide. This all-in-one system combines a 7-inch digital receiver, a high-output 4-channel amplifier, and premium weather-resistant speakers. Elevate your ride with a solution engineered to withstand the elements while providing unmatched sonic clarity.
At the heart of this system is the MICRO4V2 Class-D amplifier, pumping out a massive 600W of total RMS power. It’s paired with MP652 coaxial pro-audio speakers and two HXM65F2BK 6.5" saddlebag cut-in lid speaker kit. The result? Razor-sharp, studio-quality sound that stays crystal clear at highway speeds.
Built for the long haul, this kit is fully armored against the elements with UV-stable and water-resistant components. Whether you’re cruising the coast or tearing up the interstate, the DA1423RGSP4R delivers the sophisticated, high-fidelity soundtrack your Harley deserves.
Please use our Fitment Guide to determine specific compatibility for the submodel and audio features
The vehicle you have selected 1991 Eagle Summit is not compatible. Change vehicle or See list of compatible similar products
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Manufacturer:
Model Number:
DA1423RGSP4
Weight:
0.77lbs
Internal SKU:
da1423rgsp4
Internal Product ID:
229804
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
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