Sound Devices MixPre-3 Quick Start Manual page 3

1. Choose a Power Source & 2. Insert SD Card
The MixPre-3 may be powered via:
• AA Batteries - The MX-4AA battery sled holds four AA batteries. An optional MX-8AA sled
accessory holds eight AA batteries. Sound Devices recommends using NiMH recharge-
able AA cells.
• L-Mount Batteries - The optional MX-LMount sled holds two Lithium-Ion batteries.
• Computer - Use the USB-C to USB-A Y-Cable or a USB-C to USB-C cable.
• AC Wall Outlet - The optional MX-Charge comes with a USB-C plug and several universal
wall adapters.
To insert batteries and an SD card:
1. Press the release tab at one end of the battery sled to remove it and access the back panel.
2. Insert batteries into the sled
3. Insert approved SD card into the slot provided.
4. Reattach battery sled.
Release Tab SD Card Slot
4 MIXPRE-3
Battery Sled
Back Panel
To power the MixPre-3 from a computer:
▶ Connect the USB Y-cable to the MixPre-3's USB-C port and two USB-A ports on a computer.
MixPre-3 Left Panel
Y-cable USB-C to USB-A
▶ Connect a USB-C to USB-C cable to the MixPre-3 and a USB-C power source.
To power the MixPre-3 from an AC wall outlet:
▶ Connect the MX-Charge external USB-C Wall Adapter accessory to the USB-C port on the
MixPre-3 and an electrical outlet.
Power Switch
To power on your MixPre-3:
▶ Slide the Power switch—located on the left panel—to ON.
MX-Charge
QUICK START GUIDE 5