Description

Description

The Klipsch R-121SW Reference Subwoofer delivers deep, controlled bass with minimal distortion thanks to a high-excursion 12″ spun-copper Thermoformed Crystalline Polymer (TCP) woofer and a highly efficient all-digital amplifier. Designed for home theater and music systems, the R-121SW features a durable MDF cabinet with scratch-resistant textured wood-grain vinyl, low-profile grille, and front-mounted LED power indicator for a refined look that integrates easily into any décor.

Key Features

  • Spun-copper TCP 12″ woofer for improved low-frequency response with minimal cone breakup.
  • Built-in all-digital amplifier for accurate, high-efficiency power delivery.
  • Front-firing driver for flexible room placement.
  • Low-pass crossover and 0/180° phase control to blend with main speakers.
  • Line/LFE inputs for easy connection to AV receivers.
  • Reinforced 3/4″ MDF cabinet with new bracing design to reduce vibration and coloration.
  • Scratch-resistant textured vinyl finish and low-profile grille for acoustic transparency and aesthetics.
Specification Details
Model R-121SW
Frequency Range 28 Hz – 120 Hz
Maximum Acoustic Output 118 dB
Amplifier All-digital
Amplifier Power (Cont / Peak) 200 W / 400 W
Amplifier Features Volume, Low-pass, 0/180° phase, Auto Power On
Driver Components 12″ high-excursion spun-copper TCP woofer
Enclosure Material MDF
Enclosure Type Bass-Reflex via rear-firing port
Cabinet Finish Scratch-resistant textured wood-grain vinyl
Other Front-mounted LED power indicator; low-profile grille; reinforced 3/4″ MDF with extra bracing