Klipsch Rp-1400SW Subwoofer - High Performance - 16Hz-141Hz Frequency Response - 124dB Max Acoustic Output - Class D Amplifier - Analog Preamp Stage - 500W Rms Power - 1000W Peak Power - 14" Ultra Long Throw Cerametallic Woofer - Mdf Bass Reflex Enclosure - Front-Firing Aerofoil Slot Port - Dual Rca/Lfe Line In - Wa-2 Wireless Port - Wa-2 Wireless Subwoofer Kit Sold Separately - Internal Flare Technology - Low Pass Crossover - Variable Phase Control - Rounded Corners - Shock-Absorbing Rubber Feet - Steel Grille Posts - Woven Cloth Grille - (20.00"W x 25.67"D x 21.34"H) - (Ebony Vinyl)