RS1200A is a 12-inch active subwoofer with a built‑in 1000 W Class‑D amplifier. It uses a 12" woofer with a 3" voice coil to deliver deep bass with a frequency response of 60 Hz–140 Hz and a maximum SPL of 117 dB. The cabinet is solid wood with internal bracing and a heavy‑duty epoxy finish. Connectivity includes balanced stereo XLR inputs and outputs, a stereo high‑pass output, and a 24 dB/Oct crossover with a phase switch and a 1 3/8" pole mount receptacle.