ButtKicker BKA1000-N Power Amplifier Power two ButtKicker LFEs when wired in parallel and four LFEs in individual seats Designed with RCA and 0.25-inch inputs with 160-volt and 1.25-volt sensitivities that eliminate the need for a separate pre-amplifier Includes a low cutoff filter for frequencies less than 25 Hz, and a variable high cutoff filter that can be set for frequencies above 40 to 160 Hz Provides 1900 watts at 2 ohms and 1000 watts at 4 ohms Measures 12 x 4.375 x 11 inches (WxHxD), and weighs approximately 25 lbs