Zoom H4essential Firmware Update Guide

6
The following procedures are the same on both Windows and macOS.
4. Connect the power source (AC adapter, USB bus power or portable battery) to the USB port (Type-C) of H4essential.
NOTE
• When performing a firmware update using batteries, the update may not be possible depending on the remaining
battery charge.
5. Insert the microSD card into the H4essential.
6.
Slide toward .
This turns the H4essential power on and opens the Home Screen on the display.

Zoom H4essential Specifications

General

Maximum Sample Rate	96 kHz
Recorder Channels	4
USB	Yes
Media	SD/SDHC/SDXC card
Power Source	USB Bus Power
Inputs	2x XLR/TRS combo jacks
Outputs	1 x 1/8" / 3.5 mm Headphone
Storage	SD/SDHC/SDXC card
Battery	4 x AA