DAS VANTEC-118A - Active 18-Inch Arrayable Subwoofer (Black)The Vantec 118A is an active front loaded bass system which has been designed specifically for use with the Vantec 20A curved source line array. Compact in size, the unit can be flown in arrays or linked together in ground stacks thanks to the D. A. S. Click Lock rigging system which is compatible with the Vantec 20A. The electronics package includes a 2000 Wpeak Class D amplifier and 24 bit high end DSP for exceptional audio reproduction. A unique