This bundle includes the Sundown Audio U-12 v.2 D2 12" subwoofer, the RS12 sealed enclosure, and a complete install kit for mounting and internal wiring. The U Series uses a double-stacked 9.4" ferrite magnet system with shorting rings, plus an extended pole piece and direct air-gap venting.
2000-Watts RMS / 4000-Watts Peak handling with dual 2-Ohm coils for flexible amplifier wiring
Aluminum 3" voice coil former, high-temperature copper voice coil, double stitched surround, heavy-duty cast basket, and spring-loaded terminals that accept up to 8-gauge wire
Double-stacked 9.4" ferrite magnet system with shorting rings, extended pole piece, rear gap-venting, top-plate cooling channels, and 16 direct air-gap vents
Sub measurements: 7.75" depth, 11.01" cutout, 9.68" motor diameter, 0.19 cu ft displacement; Fs 42.2 Hz, sensitivity 85.19 dB @ 1w/1m, Xmax 30mm
Enclosure guidance: recommended for small ported or bandpass enclosures; sealed 1 cu ft, or ported 2.0 cu ft with 32 sq in port area tuned to 35 Hz
RS12 enclosure: USA-made 3/4" MDF, precision cut mounting hole, glued and stapled joints, silicone-sealed seams, and spring-loaded terminals
RS12 dimensions: 18" L x 13.2" W x 13.2" H, 13.2" top/bottom depth, mounting depth up to 12.25", 1.0 cu ft gross and 0.75 cu ft net volume
Install kit includes 12 ft of 14 AWG speaker wire, 10 drywall wood screws, and 2 spade terminals