Klipsch RP 1200 SW Active Subwoofer 12 inch the best subwoper

HYPER-EFFICIENT BALANCED PERFORMANCE Striking the optimal balance between amplifier power, driver capability and cabinet volume, Reference Premiere subwoofers achieve maximum low frequency extension with great output, accuracy and speed. SPUN COPPER FRONT-FIRING CERAMETALLIC WOOFERS Newly designed Cerametallic woofers are exceptionally light and extremely rigid, providing remarkable low frequency response with minimal cone breakup and distortion for higher, cleaner output using less amplifier power. HIGH EFFICIENCY CLASS D AMPLIFIER The built-in, high efficiency amplifier features an analog preamp design, which maintains the original signal path for cleaner, true-to-source reproduction. The Class D output stage ensures maximum efficiency for maximum output, detail, and low frequency power. FRONT-FIRING SLOT PORT WITH EXCLUSIVE INTERNAL FLARE TECHNOLOGY Proprietary internal geometry with a new Aerofoil slot port design minimizes port noise for clean undistorted low frequencies. The front-firing design allows for placement flexibility. Specification: FREQUENCY RESPONSE 16.5Hz - 138Hz +/- 3dB MAXIMUM ACOUSTIC OUTPUT 121dB AMPLIFIER TYPE Class D with Analog Preamp Stage AMPLIFIER POWER 400W RMS / 800W Peak WOOFER 12" Ultra Long Throw Cerametallic ENCLOSURE MATERIAL MDF ENCLOSURE TYPE Bass Reflex via Front-Firing Aerofoil Slot Port INPUTS Dual RCA/LFE Line In, WA-2 Wireless Port HEIGHT 18.89" (48 cm) WIDTH 17.00" (43.2 cm) DEPTH 25.92" (65.8 cm