Little Bear MC5 Mini Portable Stereo 4 Channel Audio Mixer two headphone outputs

two headphone outputs

but you need to record the timecode onto your camera(s)

and handling noise

Powered grip combines with your camera's battery for over four hours of 5

X~PWR-H7 rugged anodized aluminum mount frame replaces the GoPro plastic mount frame that is prone to breakage

Little Bear MC5 Mini Portable Stereo 4 Channel Audio Mixer two headphone outputsThe MC5 stereo audio mixer features 4x 3. 5mm inputs and 1 channel 3. 5mm output, which is capable of mixing the signals from CD players, instruments, portable recording devices, video playback devices and so on. Mini size with exquisite appearance, passive circuit design wont boost or reduce the audio signal. MC5 can work without battery or external power, very convenient to carry and use anytime , anywhere. With one main output volume knob and four