Specifications
Type: 2-Way Coaxial Full-Range Speaker
Series: Diamond Audio DES Series
Speaker Size: 6" × 8" (140.6 × 219 mm)
Configuration: 2-Way Coaxial (Midbass + Tweeter)
Power Handling (RMS): 50 W
Power Handling (Peak): 100 W
Nominal Impedance: 4 Ω
Sensitivity (1W/1m): 91 dB
Frequency Response: 55 Hz – 20 kHz
Midrange Cone Material: Injection-Molded Polypropylene (IMPP) Cone
Surround Material: Rubber Surround
Tweeter Type: 25 mm (1") Aluminum Dome Tweeter
Crossover Type: Built-In 6 dB/Octave High-Pass Filter
Voice Coil Diameter: 1" (25 mm)
Voice Coil Material: Copper
Voice Coil Former: High-Temperature Aluminum Former
Basket: Stamped Steel Frame with Anti-Resonant Coating
Magnet Type: Ferrite Motor Structure
Grill: Included – Black Mesh Metal with Diamond Logo Badge
Mounting Depth: 2.5" (64 mm)
Mounting Cutout Dimensions: 5.6" × 7.5" (142 × 190 mm)
Overall Dimensions: 6.5" × 8.7" (165 × 221 mm)
Weight: 3.5 lbs (Pair)
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Dynamic, full-range response optimized for OEM or aftermarket replacement systems.
• Aluminum dome tweeter delivers bright, accurate high-frequency performance.
• Polypropylene cone provides balanced mids and tight, punchy bass.
• Engineered for wide sound dispersion and improved imaging in factory locations.
• High sensitivity ensures excellent output even from standard head-unit power.
Key Features
• Aluminum Dome Tweeter – Crisp, detailed highs with excellent transient response.
• Polypropylene Cone – Combines stiffness and damping for tonal balance and durability.
• Rubber Surround – Extends driver lifespan and enhances low-end control.
• High Sensitivity (91 dB) – Efficient performance with minimal power requirements.
• Factory Drop-In Fit – Direct OEM replacement for most 6"×8" locations.
• Durable Steel Frame – Rigid, anti-resonant design prevents unwanted vibrations.
• Diamond Audio Quality – Designed for smooth, natural sound with long-lasting reliability.
Performance Integration Notes
• Ideal Pairing: Diamond DES400.4D, DMD400.4D, or any 50–75 W RMS amplifier.
• System Compatibility: OEM, aftermarket, and entry-level amplifier systems.
• Recommended Use: Full-range speaker replacement for vehicles with 6"×8" factory openings.
• Installation Time: Approx. 30–45 minutes.
• Pro Tip: For optimal performance, add sound-deadening material behind the mounting surface to reduce resonance and improve bass definition.
