Diamond Audio 14 - 23 Harley Davidson Road Glide 4-Speaker System - DA1423RGSP3R

Diamond Audio 14 - 23 Harley Davidson Road Glide 4-Speaker System - DA1423RGSP3R

Introducing the Diamond Audio DA1423RGSP3R , a precision-engineered, 4-speaker flagship sound pack purpose-built for 2014–2023 Harley-Davidson Road Glide models. This comprehensive "R-Series" system is the definitive solution for elite riders who demand a total source-to-speaker transformation—combining high-definition digital media control with a 360-degree high-output acoustic stage that dominates at highway speeds.

The command center is the MSHD14 Plug-N-Play Digital Media Receiver , replacing the factory head unit to provide a high-voltage digital signal path and modern smartphone connectivity. The acoustic foundation features our brand-new Motorsports HXM Black Series  speakers in both the fairing and the saddlebags. Re-engineered with cutting-edge carbon fiber cones  and oversized high-output tweeters, these drivers deliver louder, cleaner, and more detailed sound—specifically tuned to cut through intense wind and road noise. Providing the muscle is the MICRO4V2 Series 4-Channel Class D amplifier , delivering massive dynamic headroom and crystal-clean loudness across the entire bike.

The DA1423RGSP3R  includes the MSHXM69F2BKLK Cut-In Lid Kit , integrating 6x9” HXM Black Series speakers into your factory bag lids for a seamless, aggressive look. With the MSPWHR OFC Power Harness , MSRCA2 signal kit , and specialized '14-23 Road Glide software , this system ensures the cleanest signal path and flawless factory integration for the ultimate high-performance audio experience.

Features

• Complete Source Overhaul:  Includes the MSHD14 head unit for full digital media control and superior signal processing over the restrictive OEM radio.
• Full-Stage 4-Speaker Immersive Audio:  Complete Fairing and Saddlebag upgrade for a total surround experience at 80+ MPH.
• High-Velocity Carbon Fiber Definition:  Advanced cone technology ensures musical integrity and surgical detail even against extreme engine and wind noise.
• Pure Signal Path:  100% Oxygen-Free Copper (OFC) wiring and direct RCA integration eliminate signal degradation and maximize amplifier efficiency.

What our Experts Think

• Built for 2014–2023 Harley-Davidson Road Glide (Tour Pack ready) – Precision-engineered for direct OEM-style fitment and seamless integration with factory bodywork.
• True 4-speaker touring upgrade – Expands sound coverage front and rear for a fuller, more immersive riding experience.
• High-output highway performance – Tuned drivers deliver strong midbass, crisp highs, and clear vocals that stay audible at speed.
• Optimized for long-distance touring – Balanced tuning focuses on vocal clarity and fatigue-free listening over extended rides.
• Plug-and-play installation – Vehicle-specific harnessing simplifies setup and reduces the need for cutting or complex modification.
• Amplifier-ready design – Built to scale with upgraded amplification for higher volume, cleaner output, and reduced distortion.
• Durable, road-ready construction – Weather-resistant components engineered to withstand vibration, heat, and changing conditions.

   
Q&A    

Q: What motorcycles is this audio system compatible with?
A: The Diamond Audio DA1423RGSP3R is designed for 2014–2023 Harley-Davidson Road Glide (FLTR/FLTRX/FLTRXS) models with a full 4-speaker fairing and saddlebag setup.

Q: What does the system include?
A: It includes a plug-and-play digital media receiver, 4-channel Class D amplifier, 6.5" fairing speakers, 6x9" saddlebag lid speakers, replacement grilles, and complete wiring and integration hardware for a full-bike audio upgrade.

Q: Does it require cutting or major modifications?
A: No. The system is designed for plug-and-play installation with bike-specific harnesses and integration software for a factory-style fit and finish.

Q: Is it loud enough for highway riding?
A: Yes. High-output speakers with compression-style tweeters and a powerful Class D amplifier are engineered to maintain clear, distortion-free audio even at highway speeds.

Q: Does it support smartphone connectivity?
A: Yes. The included digital media receiver supports modern smartphone integration and high-voltage output for improved sound clarity and control.

Q: Why choose the Diamond Audio DA1423RGSP3R?
A: It’s a premium full-system upgrade offering source-to-speaker replacement, strong 4-speaker output, plug-and-play installation, and high-fidelity performance tailored for 2014–2023 Road Glide models.

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