Elevate Your Ride with the Ultimate 2014-2023 Road Glide Audio Evolution

Introducing the Diamond Audio DA1423RGSP4 , a precision-engineered, four-speaker high-output sound pack purpose-built for 2014–2023 Harley-Davidson Road Glide models. This system is the definitive choice for hardcore riders and audio purists who demand maximum output and surgical clarity. Designed for a seamless fit within the Sharknose fairing and saddlebags, the SP4 transforms your motorcycle into a high-performance acoustic powerhouse.

The acoustic foundation features our pro-audio MP Series speakers  in a full-stage configuration. These high-performance drivers are equipped with powerful integrated compression tweeters  engineered for extreme projection and crisp detail—perfect for cutting through intense wind, pipe, and road noise during high-speed riding. Driving this extreme setup is the MICRO4V2 Series 4-Channel Class D amplifier , providing unmatched efficiency and the massive dynamic headroom required for crystal-clean loudness across all four channels.

The DA1423RGSP4  includes the MSMP692LK Cut-In Lid Kit , integrating the 6x9” MP Series compression speakers into your factory saddlebag lids for an aggressive, high-output rear stage. With the MSPWHR OFC Power Harness , MSRCA2 signal kit , and specialized '14-23 Road Glide integration software , this system ensures the cleanest signal path, flawless factory integration, and the ultimate high-performance audio experience.

• Extreme 4-Speaker Projection:  Full-bike upgrade utilizing MP Series compression drivers for maximum SPL and long-range sound throw.
• Pro-Audio Performance:  Engineered to maintain absolute clarity and massive volume at 80+ MPH against aggressive environmental noise.
• Optimized for Sharknose Fairings:  Specifically tuned for the 2014-2023 Road Glide acoustic environment and electrical architecture.
• Pure Signal Path:  100% Oxygen-Free Copper (OFC) wiring and direct RCA integration eliminate signal degradation and maximize amplifier efficiency.