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Sundown Audio

Sundown Audio X-12 v.4 X-Series 12" 3000W RMS Car Subwoofer

$921.43
$1,039.99
11% Off
SKU: X-12 v.4
Condition: New
Availability: Usually Ships In 1-2 Days
Shipping: $39.99 (Fixed Shipping Cost)
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Descriptions

About: Sundown Audio X-12 v.4 X-Series 12" 3000W RMS Car Subwoofer

The Sundown Audio Xv4 12" Subwoofer is built for those who demand real power and precision in their sound system. Designed with premium Xv4 coils, this subwoofer delivers a massive 3000W RMS and 6000W peak power while maintaining outstanding clarity and control.

With a durable, heavy-duty motor and optimized cooling system, the Xv4 ensures consistent performance even during extended play. Whether you’re upgrading your car audio or building a competition-level system, this subwoofer delivers thunderous low frequencies that stay tight and accurate.

The precision-engineered cone and suspension system provide minimal distortion and maximum output. Pair it with a well-tuned ported enclosure for deep, room-shaking bass that brings your music to life.

Built to handle extreme sound pressure, the Xv4 series continues Sundown Audio’s legacy of reliability, innovation, and unmatched performance.

Specifications:

  • 12-inch subwoofer with Xv4 voice coils
  • RMS Power: 3000W, Peak Power: 6000W
  • Available in Dual 1Ω and Dual 2Ω versions
  • High-efficiency motor structure with strong BL factor
  • Optimized for ported enclosures (2.5 cu. ft @ 32Hz)
  • Xmax: 30mm for deep excursion and accurate bass
  • Reinforced cone for durability under extreme pressure
  • Designed for audiophiles and SPL enthusiasts

Enclosure Specifications:  

  • Sealed Enclosure: N/A
  • Ported Enclosure: 2.5 cu.ft @ 32Hz
  • Recommended Tuning: 32Hz
  • Recommended Port Area: 40 sq in
  • Mounting Depth: 11.75"
  • Outside Diameter: 12.81″
  • Cut-Out Diameter: 11.09″
  • Motor Diameter: 9.25" 
  • Displacement: 0.23 cu.ft
  • 4th Order Sealed Side: 1.0 cu.ft
  • 4th Order Ported Side: 3.0 cu.ft
  • 4th Order Port Area: 60 sq in
  • 4th Order Port Length: 8" 
Thiele-Small Parameters X-12 v.4 D1 X-12 v.4 D2
Dc Resistance (Re) 2.05 Ohms 3.25 Ohms
Resonance Frequency (Fs) 39.39 Hz 36.06 Hz
Equivalent Volume (Vas)  14.13 L 15.75 L
Electrical Factor (Qes) 0.58 0.54
Mechanical Factor (Qms) 4.95 4.82
Total Factor (Qts) 0.50 0.49
Bl Factor (BL) 24.40 22.25
Mechanical Mass (Mms) 343.14 g 367.13 g
Mechanical Compliance (Cms)
47.56 uM/N 53.04 uM/N
Sens (dB @ 1w/1m) 83.47 83.06
Xmax 30mm 30mm
Sd (Cone Area)  44.11 44.11

 

Most products include a limited one year manufacturer’s warranty covering defects in materials and workmanship under normal use. Warranty coverage does not apply to improper installation, misuse, or damage caused by operation outside manufacturer specifications. For complete warranty terms, exclusions, and claim procedures, please visit our full Warranty Policy page.

Most products include a limited one year manufacturer’s warranty covering defects in materials and workmanship under normal use. Warranty coverage does not apply to improper installation, misuse, or damage caused by operation outside manufacturer specifications. For complete warranty terms, exclusions, and claim procedures, please visit our full Warranty Policy page.

Fast shipping across Canada from our Toronto warehouse. Most orders ship within 1–2 business days. Shipping costs and delivery estimates are calculated at checkout. Returns are accepted on eligible items that are unused and in original packaging within our return period. For full details, please view our Shipping Policy and Returns & Exchanges Policy.

Please note that final sale, clearance, open-box, and refurbished items are not eligible for returns or refunds. These items may only be covered under their respective warranty or exchange terms where applicable. For full details regarding open-box items, please review our Open Box Policy.

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