Pair the Sundown Audio SA-12 v.3 D2 12" car subwoofer with the RS12 sealed enclosure and a complete single-box installation kit. The SA v.3 platform keeps the 2.75" coil diameter while extending coil length for 22mm one-way linear Xmax, and it combines the motor, cone, and suspension design for the intended power level in daily systems.
SA-12 v.3 D2 power handling: 1500-Watts RMS / 3000-Watts peak, dual 2-Ohm coils, 84.5 dB sensitivity, FS 35 Hz
Motor control features: magnet and pole-cap Faraday rings, vented magnetic gap, and a solid pole with vent channels to help reduce distortion and support smooth response
Build components: paper cone, strong foam surround, custom-tooled aluminum frame, and a cast aluminum vented frame spacer ring
Thermal and durability design: 2.75" aluminum voice coil former, high-temperature copper coil wire, stitched-on double XL tinsel leads, spring-loaded terminals, and an X-mech limit of 41mm one-way
Fitment and box guidance: 8.4" depth, 11.2" cutout, 7.8" motor diameter; recommends 1.0 cu ft sealed or 1.75 cu ft ported with 26 sq in port area and 35 Hz tuning
RS12 enclosure build: Made in the USA from 3/4" MDF with machine-cut mounting holes, customized glue, stapled and sealed joints, and gold spring-loaded terminals
RS12 size and volume: 18" L x 13.2" W x 13.2" H, up to 12.25" mounting depth, 1.0 cu ft gross and 0.75 cu ft net volume
Install kit: 12 ft of 14 AWG blue speaker wire, 10 wood screws, and 2 spade terminals for wiring one sub into the enclosure and to an amplifier