Sundown Audio

SUNDOWN AUDIO Nightshade v.5 18" (3000-watts)-DVC-1OHM

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  • Sundown Audio SUNDOWN AUDIO Nightshade v.5 18 3000-watts-DVC-1OHM
  • Sundown Audio SUNDOWN AUDIO Nightshade v.5 18 3000-watts-DVC-1OHM
MSRP: $1,499.99
— You save $158.00


NSv5-18D1 - Sundown Audio 18" 3000 Watt RMS Dual 1-Ohm Nightshade V.5 Series Subwoofer

Features & Specifications:
Sundown Audio NS-18 V.5 D2 3000W RMS Dual 2-Ohm Subwoofer
DC Resistance (Re): 1.3 Ω
Resonance Frequency (Fs): 30.89 Hz
Equivalent Volume (Vas): 97.43 L
Electrical Q Factor (Qes): 0.421
Mechanical Q Factor (Qms): 4.5169
Total Q Factor (Qts): 0.3853
Voice Coil Inductance (Le): 1.049 mH
Force Factor (BL): 17.36 NA
Moving Mass (incl. Air Load) (Mms): 502.85 g
Suspension Compliance (Cms): 52.76 μm/N
Sensitivity: 90.08 dB 1w / 1m

Box Recommendations:
Sealed: N/A
Ported: 7.00 cu. ft.
Displacement: TBA
Depth: 12.75
Outside Diameter: 18.42 in
Cutout Diameter: 16.69 in
Recommended Tuning: 32 Hz
Recommended Port Area: 112 sq. in

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Warranty Information

Warranty Information

Sundown Audio requires us to send customers with equipment problems directly to them for all warranty and non-warranty claims. Please follow their proceedures..


Sundown Audio RMA form:

Sundown Audio Product Warranty Information:


Sundown Audio - Hours of Operation

Monday 9am - 5pm EST
Tuesday 9am - 5pm EST
Wednesday 9am - 5pm EST
Thursday 9am - 5pm EST
Friday 9am - 5pm EST
Saturday Closed
Sunday Closed
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1 Review

  • 5

    Posted by Joshua James on May 25, 2023

    Absolute beast. Love the way they sound. Will definitely loosen parts on your vehicle. I have them paired to a SFB 8000. Sounds amazing.

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