Diamond Audio 14 - 23 Harley Davidson Street Glide 4-Speaker System - DA1423SGSP5

Diamond Audio 14 - 23 Harley Davidson Street Glide 4-Speaker System - DA1423SGSP5

Introducing the Diamond Audio DA1423SGSP5 , a precision-engineered, four-speaker flagship sound pack purpose-built for the 2014–2023 Harley-Davidson Street Glide. This is not just an upgrade; it is a complete acoustic overhaul designed for the modern rider who demands maximum output, surgical precision, and crystal-clear clarity even at 80+ MPH.

At the heart of this high-performance system are the brand-new Motorsports Neo Coaxial Series  speakers. Equipped with high-performance compression tweeters  and advanced neodymium motor structures , these speakers are engineered for extreme projection and crisp detail—perfect for cutting through intense wind and road noise during high-speed riding. Driving this massive audio stage is the MICRO84U Amplifier , a masterpiece of Class D efficiency that provides unmatched dynamic headroom and clean, powerful loudness while maintaining a heat-dissipating footprint optimized for fairing integration.

The DA1423SGSP5  ensures total system integrity through our dedicated RCA Harness Kit  and specialized integration software , bypassing factory bottlenecks to provide the cleanest signal path possible. Combined with the MSPWHR OFC Power Harness , this kit utilizes 100% Oxygen-Free Copper to eliminate resistance and signal noise. Finished with the OEM-fit DHDSG grilles  and the high-performance MSMP692LK cut-in lid kit , this system offers a seamless factory look with world-class Diamond Audio performance.

Features

• Optimized for 2014-2023 Platforms:  Specifically tuned for the "Rushmore" fairing geometry and factory head-unit output curves.
• Extreme Neo-Projection:  Neodymium magnet technology and compression drivers ensure the music remains loud and detailed against aggressive engine and road noise.
• Flagship Power Station:  Utilizes the MICRO 8U series for superior current delivery and ultra-low distortion at extreme volume levels.
• Pure Signal Path:  Includes specialized wiring and software to ensure a noise-free, high-fidelity connection from the factory source.

What our Experts Think    

• Designed for 2014–2023 Harley-Davidson Street Glide, delivering a full 4-speaker fairing and bagger audio upgrade.
• Provides a major increase in volume and clarity over factory systems, especially at highway speeds.
• Includes a high-efficiency Class D amplifier for clean, reliable power with low heat output.
• High-sensitivity 6.5” speakers deliver strong vocals, crisp highs, and improved midbass response.
• Engineered with marine-grade, weather-resistant components for durability in harsh riding conditions.
• Designed for factory-style integration, reducing installation complexity and wiring changes.
• Ideal for riders wanting a louder, fuller, and more balanced touring audio experience on the Street Glide platform.

Q&A    

Q: What is the Diamond Audio DA1423SGSP5R?
A: Diamond Audio DA1423SGSP5R 2014–2023 Harley-Davidson Street Glide 4-Speaker System is a flagship plug-and-play 4-speaker audio system designed for 2014–2023 Harley-Davidson Street Glide motorcycles, delivering a full front-and-rear high-output upgrade.

Q: What does this system include?
A: It typically includes a digital media head unit (MSHD14), a 4-channel Class D amplifier, high-output neodymium fairing speakers, rear lid or Tour Pack speakers (depending on configuration), and full OEM-style wiring harnesses for integration.

Q: What makes this system different from a 2-speaker upgrade?
A: Unlike front-only setups, it adds rear speaker staging for a more immersive, surround-style sound experience with better fill for both rider and passenger.

Q: Is it plug-and-play?
A: Yes. It is designed for direct OEM-style fitment on 2014–2023 Street Glide models using model-specific harnesses and mounting hardware.

Q: What kind of sound performance does it deliver?
A: High-SPL, road-tuned audio engineered to stay clear and loud at highway speeds, with compression-tweeter projection designed to cut through wind and engine noise.

Q: Does it improve over factory Harley audio?
A: Yes. It significantly increases clarity, output, and dynamic range by upgrading the head unit, amplification, and speakers together as a matched system.

Q: Who is this system best for?
A: Riders who want a complete factory-style audio overhaul with front and rear coverage, strong volume output, and modern digital media integration without custom fabrication.

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.