15.EQ Volume Control
16.Mic1
17.Mic2
18.USB port
19.AUX in port
20.TF card port
21.Power input
Function Description
General Function description
1. Master Volume Control: Turning right or left to adjust master volume in any mode.
2. Mic volume Control: Turning right or left to adjust mic volume while mic input.
3. Mode: Short press to switch mode, the order is LINE IN - BT - USB-TF -FM.
4. ECHO Control: Turning right or left to adjust ECHO in microphone mode.
5. BASS Volume Control: Turning right or left to adjust Bass volume in any mode.
6.TREBLE Volume Control: Turning right or left to adjust Treble volume in any mode.
MP3 Function Description
1. Insert USB, playing the stocked music with Music Player. Important: The USB port is intended only for
data transfer only, other devices cannot be used, with this USB connection. The use of USB extension
cord is not recommended.
2. Insert TF Card, playing the stocked music with Music Player.
3. Play/Pause Break:Short press to play/pause.
4. Previous/Next Song Key: Short press to Previous/Next Song.
FM Function Description
1.Short press the mode button to switch FM status.
2.PLAY/PAUSE break: Press and hold to automatic searching radio, short press In play model to mute
and unmute.
3.Previous/Next Song Key: Short press for upwards or downwards to the existing broadcasting station.
4.Note:Please automatic searching radio station when first use.
Record Function Description
Please note that it can't be
entered to the REC mode if there is no USB / TF card inserted.
1.When the USB memory card or TF card was inserted, meanwhile
plug in the wired microphone or opened the wireless microphone,
you will hear the drops voice after long press REC key 2 second,
then go into record status.
2.REC will be work with wired or wireless microphone when started.
3.Single press to quit the record status after finished record, then it
will start to play the record automatically.
4. When you need to play the recorded file, single press REC button
to repeat play all recorded file, press previous / next song for selection.
TWS Function Description
1. Please purchase 2 PBX-42209 speaker if you want to use TWS function. Turn on one speaker,
connect the speaker via Bluetooth to your device.
You should see "QFX PBX-42209" in the list over Bluetooth devices.
2. Turn on the second speaker, then push and hold for a second the button with the TWS marking directly
below the Mode button. You will hear a short "beep" sound, the devices are connected in TWS mode.