Klipsch R121SW 12 Inch Subwoofer Speaker Next Generation BlackSPUN-COPPER THERMOFORMED CRYSTALLINE POLYMER (TCP) WOOFERSThermoformed Crystalline Polymer (TCP) woofers are exceptionally light while being extremely rigid and tightly packed – providing remarkable low frequency response, with minimal cone breakup and distortion without degradation.

ALL-DIGITAL AMPLIFIERThe built-in, all-digital amplifier delivers ample power with high efficiency and true-to-source accuracy in reproduction, ensuring maximum efficiency for maximum output, detail, and power.

FRONT-FIRING DRIVERThe high-performance driver provides deep bass and room placement flexibility.

LOW PASS CROSSOVER AND PHASE CONTROLEnsures the subwoofer’s low-frequency tones blend with other Klipsch speakers and establish the ideal level of bass for your room.

LINE/LFE INPUTSEnsures compatibility with home theater receivers.

MDF CABINET WITH SCRATCH-RESISTANT, TEXTURED WOOD GRAIN VINYLStylish aesthetic with absolute durability that results in a seamless integration into any décor.

HIGH QUALITY CABINET DESIGNReinforced 3/4” MDF construction with an all-new bracing design reduces cabinet vibration for less audible coloration and improved sonic accuracy.

FRONT-MOUNTED LED POWER INDICATORIndicates when the system is on or off.

LOW PROFILE GRILLEAdds a refined look that is acoustically transparent.

FREQUENCY RANGE 28Hz - 120HzMAXIMUM ACOUSTIC OUTPUT 118 dBAMPLIFIER All DigitalAMPLIFIER POWER (CONT/PEAK) 200W/400WAMPLIFIER FEATURES Volume, Low-pass, 0/180 phase, Auto Power OnDRIVER COMPONENTS 12" high excursion spun-copper TCP wooferENCLOSURE MATERIAL MDFENCLOSURE TYPE Bass-Reflex via rear-firing portINPUTS Line level/LFE RCA jacksHEIGHT INCHES (MM) 16.6" (421 mm)WIDTH INCHES (MM) 16" (406 mm)DEPTH INCHES (MM) 19.7" (500mm)PRODUCT WEIGHT LBS (KG) 35 lbs (16.0 kg)FINISHES Black Textured Wood Grain VinylKlipsh, R-121SW, 12 Inch, Subwoofer, Speaker, Next Generation, Black, 2022