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

Upgrade your low end with the Sundown Audio SUN-ZV712D1, a 12-inch sub rated 3,500W RMS (7,000W peak).

At a glance

• Power: 3,500W RMS (7,000W peak)
• Size: 12"
• Impedance: 1 ohm

Details

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

Why buy from Stereo-Needs

• Free shipping on every order
• Family business with 20+ years selling car audio and 429,000+ items sold on eBay (99.9% positive)
• Not sure it fits your vehicle or system? Call or text 951-497-3497 before you order