Variable displacement servo pump in the small variablephase, likely to cause the low efficiency of the system, heat large shortcoming.
伺服变量泵在小排量变量阶段，容易造成系统效率低、发热量大等缺点。
2
The continuously-variablephase circuit is adjustable from 0 to 180 degrees to finely integrate the subwoofer with the main listening speakers.
不断变化的相电路可在0至180度间调节，从而较好地将低音炮与主喇叭相结合。
3
The new X-Series Subwoofers, Another Small Miracle From M&K, is introduced with new, more powerful amplifiers, new, dual-voltage worldwide power supplies, variablephase controls and more!