SPUN-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.