Jbl Wireless Microphone Set UHF-300 –

Unbox the Microphone Set

• Remove the JBL Wireless Microphone Set UHF-300 and all included accessories from the packaging.

• Ensure you have the two wireless microphones, dual-channel receiver, USB-C charging cable, quick-start guide, safety sheet, and warranty card.​

Insert Batteries into Microphones

• Open the battery compartment of each microphone.

• Insert the included AA batteries, ensuring correct polarity.

• Close the battery compartment securely.​

Charge the Receiver

• Connect the provided USB-C cable to the receiver and plug the other end into a power source (5V/1A).

• Allow approximately 2 hours for the receiver to fully charge.

• The receiver’s LED indicator will show the charging status.​

Power On the Microphones and Receiver

• Press and hold the power button on each microphone until the LED indicator lights up.

• Press and hold the power button on the receiver until its LED indicator lights up.

• The microphones and receiver will automatically pair.​

Connect the Receiver to a Speaker

• Plug the receiver’s 1/4″ (6.3 mm) unbalanced output into the microphone input of your speaker.

• For optimal performance, use with JBL PartyBox speakers equipped with a mic input.​

Test the Microphones

• Speak into each microphone to ensure clear audio output.

• Adjust the volume levels on your speaker as needed.​

Monitor Battery Life

• The microphones use replaceable AA batteries.

• Monitor battery life and replace batteries as needed to maintain performance.​