Klipsch Reference Klipsch Reference Subwoofer Black Subwoofer amplifier Class D 12 inches Home theater R-121SW / / / / / Built-in / / /

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ----------------------------------------------------------------------

Spun Copper Thermoformed Crystalline Polymer Woofer: The TCP (Thermoformed Crystalline Polymer) woofer is lightweight and strong, minimizing sound distortion while producing the fast, powerful bass that Klipsch is known for. All-Digital Amplifier: Built-in all-digital amplifier delivers plenty of power, high efficiency, and source-fidelity reproduction, ensuring maximum efficiency for best-in-class output, detail, and power. Equipped with a high-performance 12-inch driver, it delivers deep bass and flexible room layouts.