The Sundown Audio SA-10 V.2 D2 SW-SAV210D2 is a 10 in dual 2-Ohm DVC car subwoofer rated at 1250-Watt RMS and 2500-Watt Peak power handling per unit. This 2-piece configuration supports flexible wiring options for mono amplifier setups.
The motor structure incorporates a magnet ID Faraday ring, vented magnetic gap, and vented pole piece to support thermal management and reduced distortion. A 2.75 in aluminum voice coil former with high-temperature copper windings is used for consistent output under rated power.
Key electro-mechanical parameters include RE 3.90 Ohms, FS 37.08 Hz, VAS 10.37 L, Qts 0.328, BL 31.527 NA, Mms 318.82 g, Le 3.5178 mH, and Sensitivity 83.42 dB @ 1w/1m. Linear excursion is rated at 19mm Xmax with a 37mm one-way mechanical limit.
The subwoofer features a cast aluminum frame, paper cone, foam surround, multi-layer spider, and stitched double XL tinsel leads. Mounting depth is 7.00 in with a 9.25 in cutout diameter and 9.37 in motor diameter. Displacement is 0.08 cu ft.
Recommended enclosures include 0.5 cu ft sealed or 1.0 cu ft ported tuned to 35Hz with 15 sq in port area. For 4th order designs: 0.4 cu ft sealed side, 1.2 cu ft ported side, 24 sq in port area, and 6 in port length.