Description
Sundown Audio v.2 6.5
The Sundown Audio X 6.5″ S4 Subwoofer is a compact yet extremely powerful 6.5-inch subwoofer from Sundown Audio’s flagship X-Series, designed to deliver deep, accurate bass in limited-space and high-performance car audio systems. Built with a massive motor structure, high-excursion suspension, and a rigid cone assembly, this subwoofer is engineered to handle serious power while maintaining control and reliability. The single 4-ohm (S4) voice coil configuration makes wiring simple and system-friendly, making it ideal for tight enclosures, under-seat installs, or multi-subwoofer arrays where extreme bass performance is required from a small driver.
Specifications
| RE (Ohms) | 2.9 |
| FS (Hz) | 55.778 |
| VAS (L) | 1.657 |
| Qes | 0.619 |
| Qms | 9.255 |
| Qts | 0.581 |
| Le (mH) | 0.60 |
| BL (NA) | 11.702 |
| Mms (Grams) | 83.452 |
| Cms (uM/N) | 97.561 |
| Sens (dB @ 1w/1m) | 78.5db |
| Xmax | 16mm |
| T/S SPECS | X 6.5″ S4 |
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Enclosure Specifications
| X 6.5″ S4 | |
| Sealed Enclosure | .15 cu. ft. |
| Ported Enclosure | 0.25cuft – 0.4 cu. ft. NET |
| Recommended Tuning | 35-45hz |
| Recommended Port Area | 3.5-6 sq in |
| Displacement | 0.03 cu ft |
About The Product
Designed with an extended pole piece and an incredible four inches of peak-to-peak excursion, the X v.2 is engineered for ultra-deep bass and high power handling. Engineered to set a new standard in the low-frequency/small-ported-box subwoofer category, the X Series can also work in up to a 50% larger enclosure if you desire even more low-end extension.
The X v.2 series differentiates itself with its incredibly linear suspension, ensuring the lowest level of bass extension in a small enclosure while maintaining extremely low levels of distortion. Notably, the v.2 series features a much larger motor structure (220mm vs. 190mm on the V.1 series), improved motor ventilation, and an all-new Mega-Roll v.2 surround, providing a more linear and rugged update to the world-famous Mega-Roll v.1 surround design.
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