• Extreme power handling rated at 3,000 watts RMS with 6,000 watts peak for massive bass output
• Huge 18 inch cone area combined with 30mm Xmax delivers deep, authoritative low frequencies
• Advanced Xv4 coil technology and heavy duty motor provide excellent thermal stability and durability
• Optimized for large ported enclosures with a recommended 7.0 cu ft box tuned to 32 Hz
• Built for aggressive daily systems and competition builds with proven Sundown Audio X-Series performance

18" 3000 Watt RMS Dual 1 Ohm Car Audio Subwoofer Sundown Audio X-Series XV4

This Listing Includes:

• (1) X-Series XV4 18" Dual 1 Ohm Subwoofer

The Sundown Audio X-Series XV4 18" subwoofer is built for extreme low frequency output with the control and durability serious bass systems require. Rated at 3,000 watts RMS and engineered with advanced Xv4 coil technology, this subwoofer delivers massive output while maintaining stability and clean sound under heavy load.

With a huge cone area and 30mm of linear Xmax, the XV4 18" is designed to move serious air and produce deep, authoritative bass. The heavy duty motor structure and optimized cooling design help maintain consistent performance during extended high power use. Designed primarily for large ported enclosures, the XV4 18" is ideal for aggressive daily systems and competition builds where maximum air displacement and reliability matter most.

Specifications:

• Subwoofer Size: 18 inch


• Series: X-Series XV4


• Voice Coil Configuration: Dual 1 Ohm


• RMS Power Handling: 3000 Watts


• Peak Power Handling: 6000 Watts


• Xmax: 30 mm


• Sensitivity: 86 dB


• Cone Area (Sd): 113.41 in


• Motor Diameter: 9.25 inches


• Displacement: 0.28 cu ft

T/S Parameters (D1 Only):

• Re: 2.05 Ohms


• Fs: 25.87 Hz


• Vas: 93.67 L


• Qes: 0.63


• Qms: 4.13


• Qts: 0.54


• BL: 19.74 NA


• Mms: 737.81 g


• Cms: 51.28 uM/N

Enclosure Recommendations:

• Sealed Enclosure: Not Recommended


• Ported Enclosure Volume: 7.0 cu ft


• Recommended Port Tuning: 32 Hz


• Recommended Port Area: 112 sq in

4th Order Enclosure Specs:

• Sealed Side Volume: 3.0 cu ft


• Ported Side Volume: 9.0 cu ft


• Port Area: 180 sq in


• Port Length: 8 inches

Dimensions:

• Mounting Depth: 15 inches


• Outside Diameter: 18.42 inches


• Cutout Diameter: 16.69 inches


• Motor Diameter: 9.25 inches