Klipsch Rp-1600SW Subwoofer - High Performance - 14.5Hz-175Hz Frequency Response - 125.5dB Max Acoustic Output - Class D Amplifier - Analog Preamp Stage - 800W Rms Power - 1600W Peak Power - 16" 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 - (23.50"W x 27.35"D x 23.39"H) - (Ebony Vinyl)