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Car Subwoofers > 
Sundown Audio > 
Item#: 9SIA1FG0ZC8417

SA-8 D2 - Sundown Audio 8" 400W RMS Dual 2-Ohm SA Series Subwoofer

  • Sundown Audio
  • Dual Voice Coil
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The SA-8 is easily one of the most powerful 8" sub-woofers on the market today. It features a unique motor - which is actually a bit different from the rest of the SA line - designed to get the most performance possible from an 8" woofer in it's price bracket. A smaller diameter 2" coil was utilized so that a larger spider could be mated to the driver for extended excursion capability. The SA-8 is capable of around 2 inches peak to peak mechanical throw with 1.25" of that being linear coil travel.

The SA-8 features one of the strongest ferrite motors available on any 8" woofer on the market today. Due to this fact they MUST be utilized in no more than 0.5 to 0.6 cubic foot vented enclosures (or 0.2 to 0.3 cubic foot sealed enclosures) for daily usage. The powerful motor can easily drive the cone and spider to mechanical damage in larger enclosures -- in order to ensure long life and reliability our recommended enclosure size is a necessity.

If you are shopping for powerful bass in a compact package the SA-8 is for you. They are equally at home in SPL installations where enclosure volume is at a premium.

  • RE: 3.28 ohms (series)

  • FS: 41.6 Hz

  • Qes: 0.513

  • Qms: 6.606

  • Qts: 0.476

  • Le: 2.778 mH

  • Vas: 3.285 L

  • BL: 17.138 N/A

  • Cms: 83.341 um/N

  • Mms: 175.654 g

  • Sens: 78.476 dB @ 1w/1m

  • Power: 400 RMS

  • Depth: 5.25"

  • Overall basket OD (no gasket): 8.25"

  • Cut-out diameter (without gasket): 7.375"

  • Cut-out diameter (with gasket): 7.25"

  • Magnet diameter: 6.25"

  • XMAX: 16.5mm one way


Sundown Audio


Subwoofer Size
Voice Coil


Peak Power
RMS Power



Manufacturer Warranty

2-Year Warranty

Quick Info

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Home > 
Automotive > 
Car Electronics > 
Car Subwoofers > 
Sundown Audio > 
Item#: 9SIA1FG0ZC8417
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