3000W RMS Dual 1 or 2-Ohm 12" X Series V4 Subwoofer w/Dual 12" Birch Ported Box

• COMPLETE DUAL 12" HIGH-OUTPUT BASS PACKAGE: Includes two Sundown Audio X Series V4 12" 3000W RMS subwoofers paired with a custom-tuned Adire Audio dual 12" birch ported enclosure designed for powerful low-frequency response, deep bass extension, and impressive overall output.
• EXTREME POWER HANDLING & HIGH EXCURSION PERFORMANCE: Each Sundown Audio X Series V4 12" subwoofer handles 3000 watts RMS and features a massive triple-stacked motor structure with a high-excursion suspension design for aggressive bass performance with excellent control and durability.
• CUSTOM-TUNED DUAL 12" BIRCH PORTED ENCLOSURE: Built from durable 24mm birch plywood and engineered specifically for Sundown Audio X Series subwoofers, this enclosure features 5.0 cubic feet of net airspace, 70 square inches of port area, and a 31Hz tuning frequency for optimized efficiency and deep bass response.
• DESIGNED FOR DEEP, CLEAN, AND LOUD BASS: Ideal for daily systems and high-output builds, this combo delivers hard-hitting low frequencies with low distortion and tight musical response for rap, rebassed music, EDM, demos, and other bass-heavy listening styles.
• PREMIUM CONSTRUCTION & EASY INSTALLATION: Heavy-duty birch construction helps reduce enclosure flex while improving durability and sound quality. The enclosure is built for long-term performance and provides a clean, professional installation solution for serious car audio systems.

3000W RMS Dual 1-Ohm or Dual 2-Ohm 12" X Series V4 Subwoofers w/Dual 12" Birch Ported Box

This Listing Includes:

• (2) Sundown Audio X Series V4 Dual 1-Ohm or Dual 2-Ohm 12" Subwoofers


• (1) Adire Audio Dual 12" Birch Ported Subwoofer Enclosure for Sundown Audio X Series V3/V4

Experience deep, hard-hitting bass with this expertly matched dual subwoofer package featuring two Sundown Audio X Series V4 12" subwoofers paired with a precision-built Adire Audio dual 12" birch ported enclosure. Designed for serious bass enthusiasts and high-output systems, this combo delivers powerful low-frequency response, impressive output capability, and clean musical bass reproduction.

The Sundown Audio X Series V4 12" subwoofers are engineered for ultra-high excursion, massive power handling, and long-term durability under demanding conditions. Combined with the custom-tuned Adire Audio enclosure, this setup maximizes efficiency, bass extension, and overall output while maintaining tight and controlled low-frequency performance.

Shipping Disclosure:

Please note that the subwoofers and enclosure ship separately and may arrive at different times. Both items are carefully packaged to help ensure safe delivery.

Features:

• Dual Sundown Audio X Series V4 12" subwoofers rated at 3000 Watts RMS each


• 6000 Watts peak power handling per subwoofer


• Available in Dual 1-Ohm or Dual 2-Ohm configurations


• Ultra-high excursion suspension with 30mm Xmax


• Custom-tuned dual 12" birch ported enclosure optimized for X Series subwoofers


• Designed for deep bass extension, high output, and low distortion


• Heavy-duty birch construction for durability and reduced enclosure flex


• Excellent choice for daily systems and high-output SPL builds

Specifications:

Sundown Audio X Series V4 12" Subwoofers:

• RMS Power Handling: 3000 Watts Each


• Peak Power Handling: 6000 Watts Each


• Voice Coil Configuration: Dual 1-Ohm or Dual 2-Ohm


• Xmax: 30mm One-Way Linear Excursion


• Sensitivity: 83.06 dB @ 1W/1m


• Triple-Stacked 9.25" Motor Structure


• 3" 4-Layer Flat Aluminum Voice Coil


• High-Excursion Low Distortion Suspension


• Motor Diameter: 9.25"


• Driver Displacement: 0.23 Cubic Feet

T/S Parameters (D2):

• Re: 3.25 Ohms


• Fs: 36.06 Hz


• Vas: 15.75 Liters


• Qes: 0.54


• Qms: 4.82


• Qts: 0.49


• Le: 2.6 mH


• BL: 22.25 NA


• Mms: 367.13 Grams


• Cms: 53.04 uM/N


• Sd: 44.11

Subwoofer Dimensions:

• Mounting Depth: 11.75"


• Outside Diameter: 12.81"


• Cutout Diameter: 11.09"


• Motor Diameter: 9.25"

Adire Audio Dual 12" Birch Ported Enclosure:

• Net Internal Volume: 5.0 Cubic Feet


• Tuning Frequency: 31Hz


• Port Area: 70 Square Inches


• Construction Material: 24mm (1") Birch Plywood


• Durable Exterior Finish

External Dimensions:

• Height: 18"


• Width: 21.75"


• Depth: 38.625"

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If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

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• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

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