1.Improved control circuit places monaural image in a stereo field.

1.在领域，改进控制电路立体声像。

2.The EA Series offer advanced circuitry design, low profile chassis removable channel modules and true dual monaural configuration.

2.EA系列提供先进电路设计，采用低身外，插通道模块以及真正双路单声道配。