Diamond - DMD42 - 4"/110mmcoaxial with 20mmPEI Dome Tweeter 30W

Specifications
Type: 2-Way Coaxial Full-Range Speaker
Series: Diamond Audio DMD Entry-Level Series
Speaker Size: 4" (110 mm)
Configuration: Full-Range Coaxial
Power Handling (RMS): 30 W
Power Handling (Peak): 60 W
Nominal Impedance: 4 Ω
Sensitivity (1W/1m): 88 dB
Frequency Response: 70 Hz – 20 kHz
Voice Coil Diameter: 1" (25 mm)
Voice Coil Material: Copper Wound on Aluminum Former
Tweeter Type: 20 mm PEI Dome (Coaxially Mounted)
Cone Material: Injection-Molded Polypropylene (IMPP)
Surround Material: Rubber Surround
Basket: Stamped Steel Frame (Black Powder-Coated)
Magnet Type: Ferrite Motor Structure
Crossover: Integrated High-Pass Filter
Grille: Included – Black Metal Mesh with Diamond Audio Logo
Mounting Depth: 1.8" (46 mm)
Mounting Cutout Diameter: 3.6" (92 mm)
Overall Diameter: 4.4" (112 mm)
Weight: 2.3 lbs (Pair)
Warranty: 1-Year Manufacturer Warranty

Performance Specs
• Compact 4" coaxial speaker ideal for small vehicles and tight mounting locations.
• PEI dome tweeter provides smooth, detailed highs with minimal distortion.
• Polypropylene cone ensures balanced midrange and improved durability over paper designs.
• Optimized for factory radio power or small aftermarket amplifiers.
• Delivers clear, balanced sound for OEM upgrade applications.

Key Features
• 2-Way Coaxial Design – Produces full-range sound in a single compact driver.
• PEI Dome Tweeter – Lightweight and efficient for crisp treble reproduction.
• Polypropylene Cone – Sturdy, moisture-resistant, and tonally neutral.
• Rubber Surround – Increases cone control and long-term reliability.
• Stamped Steel Basket – Provides rigidity and vibration resistance.
• Compact Mounting Depth – Perfect for dash or rear deck installations.
• Plug-and-Play Ready – Easy upgrade for most factory 4" speaker locations.
• Diamond Audio Engineering – Designed for clarity, efficiency, and value.

Performance Integration Notes
• Ideal Pairing: Factory radio or small amplifier (30–50 W RMS per channel).
• System Compatibility: Great for compact cars, motorcycles, or dash-mounted use.
• Recommended Use: OEM speaker replacement or front-stage upgrade.
• Installation Time: Approx. 30 minutes per pair.
• Pro Tip: Use a foam gasket ring around the speaker to improve midbass response and reduce reflections off hard surfaces.