This microphone is configured to be used with the QRP-Labs QMX and QMX+. It will also work with uSDX radios and the Elecraft KX2/3. The required stereo audio cable is not included.
Known working radios:
QMX: (Tip=PTT, Ring=Mic)
- QMX/QMX+
- uSDX
- (tr) uSDX
KX2/3: (Tip=Mic, Ring = PTT)
- Elecraft KX2/3
- LARCset 40m
- zBitx
The fully assembled mics will come with conformal coating on the back of the PCB.
Variations are as follows:
- PCB only ($10 USD)
- Kit (comes with PCB and all necessary components) ($20 USD)
- Assembled (can be ordered for the QMX or the KX2/3) ($25 USD)
- International Shipping ($10 USD)
PCB and button colors may vary depending on the manufacturer and availability.
DOWNLOAD THE ASSEMBLY MANUAL HERE
BUILD VIDEO HERE
Components included in the kit and assembled mic:
- PCB (v2.2)
- Electret Condenser Microphone Element
- Tactile switch (6x6x5mm)
- 3.5mm stereo audio jack (PJ-307)
- Foam mic cover
MAKE SURE YOUR SHIPPING ADDRESS IS CORRECT IN PAYPAL
IF ORDERING OUTSIDE OF THE UNITED STATES, PLEASE ALSO PURCHASE THE INTERNATIONAL SHIPPING OPTION. THANK YOU!!!
I’m assuming the trusdx is the same as the usdx? If so which do I order the qmx or the elecraft configuration?
Yes, for the trusdx you would order the QMX configuration. Per the instructions, the tip goes to the PTT and the ring goes to the microphone.