Yamaha DXS15MK3 Powered Subwoofer with DSP Control | Size: 15"The Yamaha DXS MK3 series is built for portable PA applications that demand strong, controlled low frequency reinforcement. Its ideal bandpass structure, long excursion speaker units, and high efficiency amplifier design support clear sub bass output while reducing unwanted cabinet and wind noise. System setup is streamlined through a rear LCD and encoder for PEQ, delay, routing, and preset recall. A 96kHz internal DSP processor, D XSUB processing,