Dont just hear bass feel it. The Electro-Voice ZXA1-SUB 12 Subwoofer is an incredibly portable sub with impressive power crisp highs and outstanding low ends. The ZXA1-SUB offfers 700-watts of self-powered output to add thunderous lows and highs to speakers in a live performance. Class-D amplification technology ensures silent operation at all times minimising the risk of overheating. There are dual XLR stereo inputs and outputs with a pole mount for use with full-range systems. The subwoofer is housed within an internally braced 9-ply wood enclosure with textured paint and includes an integrated carry handle for easy storage and transport.