Power your wireless mic receiver from an external DC source via the SPD-HR21 cable from Deity, which features a 4-pin push-power jack (compatible with Hirose 4-pin) on one end and a 2.1mm DC barrel jack on the other. While it can work with any 2.1mm DC barrel jack device, please note that this cable is unregulated and will output 9 to 18V. Do not use it with 2.1mm locking DC input devices that require regulated voltage.
Compatibility
This Hirose 4-pin port-compatible cable is capable of working with the following components:
Lectrosonics UCR411
Lectrosonics UCR401
Lectrosonics UCR211
Lectrosonics UCR201