Diamond - SX154 - Diamond Dual 4 ohm 3" VC 750 RMS

Specifications
Type: High-Performance Dual 4Ω Subwoofer
Series: SX Performance Series
Size: 15-inch (381mm)
Impedance: Dual 4Ω Voice Coils
Power Handling (RMS): 750W
Power Handling (Peak): 1500W
Sensitivity (1W/1m): 88dB
Frequency Response: 25Hz – 500Hz
Voice Coil Diameter: 3-inch (76.2mm) High-Temperature Copper
Voice Coil Former: Black Anodized Aluminum
Magnet Structure: Heavy-Duty Double-Stack Ferrite Motor
Cone Material: Pressed Paper with Reinforced Fiber Weave
Surround: High-Roll Santoprene Rubber
Spider: Dual Poly-Cotton Progressive Spider
Basket: Die-Cast Aluminum Frame with Vented Cooling Channels
Terminal Type: Nickel-Plated 8-Gauge Compression Terminals
Cooling: Vented Pole Piece and Perimeter Vents
Mounting Depth: 7.4" (188mm)
Mounting Cutout: 13.9" (353mm)
Overall Diameter: 15.3" (389mm)
Weight: 27.5 lbs
Warranty: 1-Year Manufacturer Warranty

Performance Specs
• Produces deep, accurate bass with exceptional power handling and motor control.
• Dual 4Ω configuration allows flexible wiring for 2Ω or 8Ω load options.
• 3-inch high-temp voice coil ensures superior thermal capacity and long-term reliability.
• Reinforced pressed paper cone combines strength and lightweight responsiveness.
• Engineered for high-output performance in both sealed and ported enclosures.

Key Features
• Dual 4Ω Voice Coils – Flexible wiring for multiple system configurations.
• 3" Copper Voice Coil – Optimized for superior heat dissipation and long-term performance.
• Heavy-Duty Magnet Assembly – Produces strong motor force and tight cone control.
• High-Roll Santoprene Surround – Enables long excursion and clean, distortion-free bass.
• Die-Cast Aluminum Frame – Rigid and vented for stability under extreme SPL loads.
• Multi-Spider Suspension – Maintains linear cone movement for accurate response.
• Diamond Audio Engineering – Designed for clean, high-impact bass with audiophile precision.

Performance Integration Notes
• Ideal Pairing: Diamond HX or HXM Amplifiers delivering 750–1000W RMS @ 2Ω.
• Recommended Enclosures:
 • Sealed: 1.75 – 2.0 cu. ft. for tight, accurate bass.
 • Ported: 2.75 – 3.25 cu. ft. tuned to 35Hz for maximum output.
• System Compatibility: Car, Truck, and Custom Enclosures.
• Installation Time: Approx. 1–1.5 hours.
• Pro Tip: Break in subwoofer for 10–12 hours at moderate volume for optimal cone compliance and long-term performance.