The BP-218DA is a powerful, self-powered subwoofer with a 6th order double bandpass design that employs two 18” large excursion speakers. It incorporates a DSP (96KHz / 64bits) input module and is powered by two powerful 2.400W 3rd Generation Class D power modules each, fully self-protected and with independent universal power supplies with a network voltage range of 85V up to 268V.