• Exceptional Sonic Accuracy: Delivers a clear and impactful bass experience
• High-Energy Design: Ensures dynamic sound reproduction
• Robust Construction: Built for lasting performance
• Advanced Cooling Mechanisms: Maintain performance levels during extended use
• High Power Handling: Ideal for serious audio setups

DD Audio 18" Dual 4 Ohm 4800W Peak/1200W RMS Power Tuned Subwoofer 3518i-D4

This Listing Includes:

(1) DD Audio 3518i (ESP) 18 Inch Power Tuned Subwoofer

The DD Audio 3518i (ESP) is a pinnacle of sonic precision and raw power. This 18-inch subwoofer from the 3500 Series is designed for audiophiles seeking an unparalleled audio experience. It's engineered with a focus on low moving mass and utilizes a high-strength motor alongside advanced long gap/long coil topology, inspired by DD Audio's legendary 9500 and 9900 series. The subwoofer is equipped with V-ROM surrounds, multi-layer spiders, and 800-degree thermoset voice coils, housed in a sturdy cast aluminum frame. This combination delivers not only brutally accurate musical performance but also ensures durability and reliability for serious audio enthusiasts.

Specifications:

• Speaker Size: 18 Inches


• RMS Power: 600 - 1200 Watts


• Peak Power: 4800 Watts


• Impedance: Dual 4 Ohm


• Voice Coil Diameter: 3 Inches


• Piston Diameter: 15 1/2 Inches


• Fs: 28.9 Hz


• Qms: 5.4


• Qes: 0.97


• Qts: 0.83


• Vas: 146.2 Liters


• Xmech: 62 MM


• Xmax: 17.5 MM


• Frame Outer Diameter: 18 1/4 Inches


• Mounting Diameter: 16 3/4 Inches


• Mounting Depth: 10 7/8 Inches


• Motor Diameter: 7 9/16 Inches


• Motor Depth: 3 1/2 Inches


• Woofer Displacement: 0.38 CuFt


• Recommended Ported Enclosure: 5.0 - 6.0 CuFt


• Shipping Weight: 52 Lbs

Features:

• Low Moving Mass: For ultra-high energy and precise sound


• Powerful Motor: With long gap/long coil topology for enhanced performance


• V-ROM Surrounds: Ensuring durability and audio clarity


• Multi-Layer Spiders: Supporting powerful bass reproduction


• 800-Degree Thermoset Voice Coils: For superior thermal handling


• Cast Aluminum Frames: Adds to the longevity and reliability