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Sundown Pair of 12" U-Series D4 Subs, Marts Digital Amp w/ Dual Vented Enclosure

Save 15% Save 15%
Original price $1,874.95
Original price $1,874.95 - Original price $1,874.95
Original price $1,874.95
Current price $1,599.95
$1,599.95 - $1,599.95
Current price $1,599.95

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  • Expertly paired subwoofers, enclosure, and amplifier for optimal performance and synergy.
  • Due to the nature of the items in this package, each item will be shipped individually.
  • GP/Tru-Spec Enclosures assembled in the USA.
  • Includes a FREE 2-Year Extended Accidental & Repair Warranty card that covers all electronics in this package.

Sundown Pair of 12" U-Series D4 Subs, Marts Digital Amp w/ Dual Vented Enclosure

This Listing Includes:

  • (1) Dual 12" Vented Subwoofer Enclosure

  • (2)  12" U-Series Sundown Subwoofers

  • (1) Marts Digital MP-3500-1-V2 Amplifier

  • (1) CPS Extended Accidental & Repair Warranty Card

Subwoofer Features:

  • Black Aluminum 3" voice coil former for superior heat dissipation

  • High Temperature Round-Wire ALU voice coil with high-temp black adhesive

  • Double stitched surround

  • Heavy duty cast baskets - all new, custom-tooled

  • Spring loaded terminals accept up to 8 gauge

  • Stitched-on double-XL tinsel leads

  • Solid pole with vent channels and aluminum shorting ring cap

  • Rear drilled gap-venting

  • Innovative high-velocity cast aluminum vented frame spacer ring

  • Magnet ID shorting ring

  • Top-Plate Cooling Channels

  • Cast Aluminum surround bolt-on rings

  • Optimized for small ported or bandpass enclosures

Subwoofer Specifications U12 D4:

  • RE (Ohms): 6.0577

  • FS (Hz): 41.9087

  • VAS (L): 14.7535

  • Qes: 0.5870

  • Qms: 4.9022

  • Qts: 0.5242

  • Le (mH): 4.3694

  • BL (NA): 31.1265

  • Mms (Grams): 356.5462

  • Cms (uM/N): 40.4498

  • Sens (dB @ 1w/1m): 84.4191

Amplifier Features

  • High-performance Class D amplifier

  • Immersive audio experience

  • Powerful 3500 Watts output at 1 Ohm

  • Compact and sleek design

  • Secure seat for an electrifying sonic journey

Amplifier Technical Specifications:

  • RMS Power at 1 Ohm: 1CH x 3600W

  • RMS Power at 2 Ohm: 1CH x 2520W

  • RMS Power at 4 Ohm: 1CH x 1500W

  • Total Harmonic Distortion (THD): 0.25%

  • Low Pass Filter (LPF): 80Hz-20kHz

  • Subsonic Filter: 10Hz - 60Hz

  • Frequency Response: 10Hz - 20kHz

  • Signal-to-Noise Ratio (S/N): 83dB

Amplifier Dimensions:

  • LxWxH: 10.5 x 11.5 x 3 inches

  • Weigt: 9.56 lbs

Enclosure Specifications:

  • Material Thickness: 0.75"

  • Net Internal Volume: 3.50 ft3

  • Tuning Frequency: 35 Hz

  • Port Area: 52.00 inch2

  • Cutout Diameter: 11.20"

  • Flush Trim Diameter: 13.10"

Enclosure External Dimensions:

  • Length: 34.00"

  • Depth: 14.00"

  • Height: 22.00"

Payment Information


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