Sundown Audio SUN-ZV712D1 Z-Series ZV7 12″ 3500W RMS 1-Ohm Dual Voice Coil Subwoofer

When you need extreme low-frequency output and high-power performance, the Sundown Audio Z-Series ZV7 12" D1 Subwoofer delivers massive bass, exceptional excursion, and reliable power handling. Rated at 3,500W RMS and 7,000W peak power, the ZV7 is engineered for demanding car audio systems where deep, powerful, and controlled bass is the goal. Its Dual 1-Ohm voice coil configuration provides flexible wiring options for high-power amplifiers and custom competition or daily-driver builds. Built for extreme performance, the ZV7 features a massive quad-stacked 265 mm motor structure, 3.3" 4-layer round-wire aluminum voice coil, and 42 mm of one-way linear X-Max for exceptional cone excursion. Advanced cooling features, including a vented pole structure, gap vents, and a cross-drilled and slotted top plate, help manage heat during high-power operation. The custom mega-platform frame provides a rigid foundation for the motor and suspension assembly, allowing the ZV7 to deliver deep, powerful bass with extremely low distortion. Key Features Extreme-Output 12" Subwoofer – Delivers 3,500W RMS and 7,000W peak power handling for high-output bass performance Dual 1-Ohm Voice Coils – Provides flexible wiring configurations for high-power amplifier applications 42 mm One-Way X-Max – Allows exceptional cone excursion for deep and powerful bass reproduction Quad-Stacked 265 mm Motor – Provides massive motor force for extreme low-frequency performance 3.3" 4-Layer Aluminum Voice Coil – Designed for high-power handling and reliable performance 95 mm Voice Coil Winding Length – Supports the ZV7's extreme excursion capability Advanced Cooling System – Multiple venting features help dissipate heat during demanding operation Faraday Ring – Helps improve motor linearity and reduce inductance-related distortion Inductance Sleeve – Designed to improve inductive linearity during operation Mega-Platform Frame – Provides a rigid foundation for the high-excursion motor and suspension High-Excursion Suspension – Engineered to support extreme cone travel while maintaining linear performance Low-Distortion Performance – Designed to produce deep, powerful bass with excellent control Ported Enclosure Optimized – Recommended for a 2.5 cu. ft. ported enclosure tuned to approximately 32 Hz Z-Series Performance – Built for demanding high-output car audio systems and custom installations Specifications Model: ZV7-12 D1 Series: Z-Series Speaker Size: 12" Speaker Type: Subwoofer Voice Coil Configuration: Dual 1-Ohm Power Handling RMS: 3,500 Watts Power Handling Peak: 7,000 Watts X-Max: 42 mm One-Way Xmech: 77.5 mm Voice Coil Diameter: 3.3" Voice Coil: 4-Layer Round Wire Aluminum Voice Coil Winding Length: 95 mm Motor Diameter: 10.8" Motor Structure: Quad-Stacked 265 mm Overall Diameter: 12.81" Cutout Diameter: 11.09" Mounting Depth: 12.76" Displacement: 0.26 cu. ft. Fs: 29.22 Hz Re: 2.08 Ω Qms: 5.4660 Qes: 0.3990 Qts: 0.3720 Mms: 605.51 g Cms: 48.99 µm/N Sd: 735.5 cm² Vas: 14.55 L Sensitivity: 87.18 dB BL: 24.050 T·m Le: 1.99 mH Recommended Ported Volume: 2.5 cu. ft. Recommended Port Tuning: 32 Hz Recommended Port Area: 38 sq. in. Speaker Quantity: 1 Subwoofer Package Includes 1 × Sundown Audio Z-Series ZV7 12" D1 1-Ohm Subwoofer 1 × Owner's/Installation Documentation SKU: SUN-ZV712D1 UPC: 810199220017