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SA-Series v.3 8
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SA-Series v.3 8
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SA-Series v.3 8
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SA-Series v.3 8
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SA-Series v.3 8
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SA-Series v.3 8

SA-Series v.3 8" Subwoofer

Regular price $299.99 USD
Regular price Sale price $299.99 USD
Shipping calculated at checkout.

Notice On Packaging For Subwoofers
Sundown Audio has led the industry in quality and performance for over a decade. To improve accuracy and transparency, we have updated our subwoofer power ratings to reflect true real-world performance.
During this transition, some packaging may show previous ratings. Performance fully aligns with our current published specifications. If you have any questions about authenticity or ratings, please contact directly for confirmation.

Impedance: D4


  • 600 Watts RMS/1200 Watts Peak
  • Dual 2 or 4 ohm voice coils
  • Vented magnetic gap with 16 chamfered vents
  • Large aluminum Faraday ring for smooth acoustic response
  • Patented high-strength cast aluminum frame
  • Low distortion motor construction
  • High-temperature voice coil wire
  • Spring-loaded terminals
  • Stitched-on “XL” tinsel lead wires
The pinnacle of low distortion ported box subwoofer technology, the SA 8-inch sub is completely custom tooled. It has a full 16mm of one-way linear excursion and mechanical capacity, exceeding double the linear limits, ensuring durability and low distortion. The  v.3 update includes a new surround with linear geometry and improved thermal performance with the addition of 16 chamfered gap vents to keep high-velocity air flowing over the voice coil.
ParameterD2 ModelD4 Model
Re3.36 Ω6.00 Ω
Fs38.3 Hz40 Hz
Qms6.31004.3100
Qes0.32400.3920
Qts0.30900.3600
Vas6.880 L7.170 L
Mms144.00 g126.60 g
Cms0.12 mm/N0.12 mm/N
BL18.940 T·m22.060 T·m
Le2.08 mH3.32 mH
Sd344.8 cm²344.8 cm²
Xmax16mm16mm
SPL (1W/1m)82.8 dB82.7 dB
SpecificationD2 ModelD4 Model
RMS Power600 W600 W
Peak Power1200 W1200 W
Displacement0.08 cu ft0.08 cu ft
Mounting Depth6.625"6.625"
Outside Diameter8.375"8.375"
Cutout Diameter7.375"7.375"
Motor Diameter-6.88
Sealed Enclosure.25-.35 cu ft.25-.35 cu ft
Ported Enclosure0.65 cu ft0.65 cu ft
Recommended Port Tuning35hz35hz
Recommended Port Area9 sq in9 sq in
Xmax16mm16mm
4th Order Sealed.25cu ft.25cu ft
4th Order Ported.75cu ft.75cu ft
4th Order Port Area15sq in15sq in
4th Order Port Length6"6"

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