"B-Stock, LD Systems Maui 11 G3 Subwoofer, 2x 8"" subwoofer to support Maui 11 G3 (cardioid configuration possible), frequency range 39 - 200 Hz, 125 dB SPL max, 730 watts (RMS) Class D power amplifier with convection cooling; connectors: Input: 2x...