SOUNDKING PA LS 31 2.1 system

LS series active column speaker system features easy system combination 
for different field requirements.
Excellent tone, compact design, easy to carry.
Two full range speakers and one passive subwoofer.
Wide frequency response, clear tone, wide horizontal coverage, long projection.

Active subwoofer LA12SA with built-in powerful 32bit DSP module; gain, crossover, 
EQ, delay, limit and memory function. Three-way independent Class D amplifier. 
Switching mode power supply.
Rated power: 1x900W+2x350W.