Each channel has a channel signal switch, high-performance microphone input amplifier circuit.

各通道设有通道信号切换开关，话筒输入设置高性能放大电路。

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Connect a stereo microphone (3rd party sold separately) to the external microphone input and record audio with enhanced clarity.

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For pristine stereo sound, the P7700 incorporates a built-in stereo microphone, an external microphone input, a HDMI mini connector and HDMI-CEC support.

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Additional features available only on GZ-GX1 include Headphone Output, Microphone Input, Accessory Shoe, Remote Control, as well as the ability to attach conversion lenses and filters.

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