The Action 218A is a powered subwoofer system designed to provide outstanding performance in terms of output power, bandwidth extension and distortion. The Action 218A incorporates the 18H4 loudspeaker equipped with 4" voice coils, offering an excellent power handling capacity, reduced distortion and power compression. The Action 218A incorporates a new high power (2500 W peak) amplifier design providing ample headroom and accuracy. The amplifier uses the latest Class D design. The subwoofer is designed to be stacked vertically, reducing the unit’s footprint and allowing for more on-stage space.