Low-Pass Filter

The Klipsch R-121SW Subwoofer delivers powerful, precise bass with its 12” high excursion spun-copper TCP woofer and 400W all-digital amplifier. With a frequency response of 28Hz to 120Hz and a maximum output of 118 dB, it ensures an immersive audio experience. User-friendly features include volume, low-pass, and phase controls, along with auto power on and versatile connectivity via line level/LFE RCA jacks. Its sleek black textured wood grain vinyl finish and compact design make it a stylish and functional addition to any home theater setup.