• Sundown Audio U-18 V.2 D4 18" 4000W Peak Dual 4-Ohm Voice Coil DVC Car Subwoofer
  • Sundown Audio U-18 V.2 D4 18" 4000W Peak Dual 4-Ohm Voice Coil DVC Car Subwoofer
  • Sundown Audio U-18 V.2 D4 18" 4000W Peak Dual 4-Ohm Voice Coil DVC Car Subwoofer
  • Sundown Audio U-18 V.2 D4 18" 4000W Peak Dual 4-Ohm Voice Coil DVC Car Subwoofer
1 4

Sundown Audio

Sundown Audio U-18 V.2 D4 18" 4000W Peak Dual 4-Ohm Voice Coil DVC Car Subwoofer

Sundown Audio U-18 V.2 D4 18" 4000W Peak Dual 4-Ohm Voice Coil DVC Car Subwoofer

$719.99 USD
$719.99 USD
Sale Sold out
Shipping calculated at checkout.
PayPal payment Venmo payment Affirm payment
BRAND NEW

SUNDOWN AUDIO U-18 V2 D4

U-SERIES | 18-inch 4000 Watts Peak Dual 4-Ohm Voice Coil DVC Car Audio Subwoofer

Key Features:

  • 2000 Watts RMS / 4000 Watts Peak
  • Dual 2 or 4 ohm voice coils
  • Optimized for small ported or bandpass enclosures
  • Aluminum 3” voice coil former for superior heat dissipation
  • High-temperature copper voice coil
  • Double-stitched surround
  • Heavy-duty cast basket
  • Spring-loaded terminals accept up to 8-gauge wire
  • Stitched-on heavy-duty tinsel leads
  • Solid pole with vent channels and aluminum shorting ring cap
  • Rear gap-venting
  • Top-Plate Cooling Channels
T/S Specs:

  • RE (Ohms): 6.0767
  • FS (Hz): 30.9212
  • VAS (L): 114.6901
  • Qes: 0.6572
  • Qms: 5.5116
  • Qts: 0.5872
  • Le (mH): 4.7475
  • BL (NA): 31.4938
  • Mms (Grams): 552.1551
  • Cms (uM/N): 47.9807
  • Sens (dB @ 1w/1m): 88.8733
  • Xmax: 30mm
Enclosure Specs:

  • Sealed Enclosure: 3.0 cu ft
  • Ported Enclosure: 4.0 cu ft
  • Recommended Tuning: 35Hz
  • Recommended Port Area: 64 sq in
  • Displacement: 0.26 cu ft
  • Depth: 10″
  • Outside Diameter: 18.63″
  • Cut-Out: 16.9″
View full details