Diamond Audio 98 - 13 Harley Davidson Road Glide 4-Speaker System - DA9813RGSP4R

Diamond Audio 98 - 13 Harley Davidson Road Glide 4-Speaker System - DA9813RGSP4R

Introducing the Diamond Audio DA9813RGSP4R , the ultimate flagship 4-speaker sound pack purpose-built for 1998–2013 Harley-Davidson Road Glide models. This comprehensive "R-Series" system is the definitive solution for elite riders seeking a total source-to-speaker revolution—merging high-definition digital media control with an aggressive, pro-audio acoustic stage that dominates the highway.

The command center is the MSHD9813RG Plug-N-Play Digital Media Receiver , replacing the aging factory head unit to provide a high-voltage digital signal path, modern smartphone connectivity, and a full-color interface. The acoustic foundation features a synchronized MP Series  array: 6.5” coaxial fairing speakers and 6x9” saddlebag drivers, both equipped with powerful integrated compression tweeters . These are engineered for extreme projection and surgical detail—perfect for cutting through intense wind and engine noise at high speeds. Providing the muscle is the MICRO4V2 Amplifier , a high-efficiency 4-channel Class D powerhouse that delivers unmatched clarity and the dynamic headroom needed for crystal-clean loudness across the entire bike.

The DA9813RGSP4R  ensures total system integrity through the MSPWHR OFC Power Harness , specialized '98-'13 Road Glide software , and the MSMP692LK13 Lid Kit  for seamless saddlebag integration. Finished with custom DHDRG13 fairing grilles  featuring the Diamond Logo, this system ensures the cleanest signal path, flawless factory integration, and the ultimate high-performance audio experience for the modern rider on a classic machine.

Features

• Complete Source Overhaul:  Includes the MSHD9813RG head unit for full digital media control and superior signal processing over the obsolete OEM radio.
• Dual-Stage Pro-Audio Output:  MP Series compression drivers in both the fairing and saddlebags provide a synchronized, high-SPL (Sound Pressure Level) experience.
• Extreme Long-Range Projection:  Engineered specifically to "throw" sound effectively over the handlebars and from the rear bags at highway speeds.
• Pure Signal Path:  100% Oxygen-Free Copper (OFC) wiring and direct digital integration eliminate signal degradation and maximize amplifier efficiency.

What our Experts Think    

• Designed for 1998–2013 Harley-Davidson Road Glide, delivering a full 4-speaker high-output audio upgrade.
• Provides a noticeable increase in volume, clarity, and sound coverage over factory systems.
• Includes a high-efficiency Class D amplifier for clean, stable power delivery at highway speeds.
• High-sensitivity 6.5” speakers improve vocal clarity, high-frequency detail, and midbass response.
• Built with marine-grade, weather-resistant construction for long-term durability in harsh riding conditions.
• Designed for factory-style integration, supporting a cleaner installation with reduced wiring complexity.
• Ideal for riders seeking a strong, balanced touring audio upgrade with improved overall system output.

Q&A    

Q: What is the Diamond Audio DA9813RGSP4R?
A: Diamond Audio DA9813RGSP4R 1998–2013 Harley-Davidson Road Glide 4-Speaker System is a high-output, plug-and-play full audio upgrade designed to deliver front-and-rear touring sound for Road Glide motorcycles.

Q: What does the system include?
A: A 4-channel Class D amplifier, high-output front fairing speakers, rear Tour Pack or saddlebag speakers (application-dependent), OEM-style grilles, and model-specific plug-and-play wiring harnesses.

Q: What makes this a 4-speaker system?
A: It powers both front and rear speaker locations, creating wider sound coverage, stronger fill, and a more immersive riding experience for both rider and passenger.

Q: Is installation plug-and-play?
A: Yes. It is designed for OEM-style integration on 1998–2013 Harley-Davidson Road Glide models using vehicle-specific harnesses and mounting hardware with no cutting or permanent modification required.

Q: What type of sound performance does it deliver?
A: High-SPL, road-tuned audio engineered to stay loud and clear at highway speeds while cutting through wind, exhaust, and road noise.

Maintenance Tips   

• Wipe speakers, fairing, and grilles with a soft, dry microfiber cloth.
• Regularly check all mounting hardware for tightness and vibration resistance.
• Inspect wiring harness and connectors for secure, corrosion-free connections.
• Avoid direct high-pressure water during washing to protect electrical components.
• Keep amplifier (if installed) in a dry, well-ventilated location.
• Properly tune gain, EQ, and crossover settings to avoid distortion or clipping.
• Remove dust, dirt, and road debris buildup from speaker grilles regularly.
• Avoid prolonged exposure to heavy rain, moisture, or extreme heat.
• Check battery voltage and electrical system stability for consistent audio output.
• Store motorcycle in a covered, dry environment when not in use.