R-121SW
Subwoofer
Revamped spun-copper thermoformed crystalline polymer woofers make the latest Reference subwoofers exceptionally light while providing low frequency response, minimal cone breakup, and degradation-free distortion.

NEW TECH | CLEANER BASS
Revamped spun-copper thermoformed crystalline polymer woofers make the latest Reference subwoofers exceptionally light while providing low frequency response, minimal cone breakup, and degradation-free distortion.
ALL-DIGITAL AMPLIFIER
The built-in, all-digital amplifier delivers ample power with high efficiency and true-to-source accuracy in reproduction, ensuring maximum efficiency for best-in-class output, detail, and power.


FRONT-FIRING DRIVER
The high-performance 12″ driver provides deep bass and flexible room placement.
HIGHLY DURABLE & VERSATILE CABINET DESIGN
A stylish aesthetic with unrivalled durability that results in a seamless integration into any décor, Reference Subwoofers feature:
- Scratch-resistant
- Reinforced ¾” MDF construction
- All-new bracing design for reduced vibration
- Front-mounted LED power indicator
- Low-profile grille for acoustic transparency


LOW PASS CROSSOVER AND PHASE CONTROL
Ensures the subwoofer’s low-frequency tones blend with other Klipsch speakers and establish your ideal level of bass.
LINE/LFE INPUTS
Reference subwoofers are compatible with your home theatre receiver, no matter the make and model.

SPECIFICATIONS
- Frequency Range: 28 Hz – 120 Hz
- Maximum Acoustic Output: 118 dB
- Driver Components: 12″ high excursion spun-copper TCP woofer
- Amplifier: All Digital
- Amplifier Power (Cont/Peak): 200 W / 400 W
- Amplifier Features: Volume, Low-pass, 0/180 phase, Auto Power On
- Enclosure Material: MDF
- Enclosure Type: Bass-Reflex via rear-firing port
- Height: 421 mm
- Width: 406 mm
- Depth: 500 mm
- Product Weight: 16.0 kg
- Finishes: Black Textured Wood Grain Vinyl
- Inputs: Line level/LFE RCA jacks








