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Interactive user guide

HT5009 Plus Setup Guide

TV headphone setup

Connect your TV by Optical or AUX. Use the transmitter for low-delay sound.

TV
Transmitter
Headphones

Use the included HT5009 Plus transmitter.
Your headphones are already paired.

Pre-paired HT5009 Plus headphones resting on the transmitter and charging dock Low delay

Step 1 of 4 · Cable

Connect your TV

Check the labels beside the ports, then choose the first match below.

Not sure which port? Send support a photo of your TV ports →

2

Step 2 of 4 · Power

Power on the transmitter and headphones

Watch: power on, then connect the headphones.

  1. Connect the supplied USB-C power cable to the transmitter.
  2. Connect the other end to a working 5 V USB power source.
  3. Slide the transmitter to ON. Check that its light turns on.
  4. Take the headphones off the dock. Slide the headphone PAIR / ON / OFF switch to ON.
  5. Keep both devices close. Wait for the headphone light to turn solid blue and Headphones 1 on the transmitter to turn solid white.
✓Connected: headphone light solid blue; Headphones 1 light solid white. Next, set the TV sound.
First use or headphones will not turn on?

Charge using USB-C or the powered dock until the headphones can turn on. A full charge takes about 3.5 hours by USB-C or 5.5 hours on the dock. You do not need to wait for a full charge to continue.

The charging dock needs its own USB-C power cable.

Won’t turn on after charging? Move the power switch to OFF, then back to ON. Find the power switch →

No light on the transmitter?

Reseat both USB cable ends. Try another working 5 V USB power source. Check that the transmitter switch is at ON.

Not connected? Open reconnect steps →

Next: set the TV sound →

Choose your cable in Step 1 to see the matching TV settings. Choose Optical, AUX or HDMI ARC →

4

Step 4 of 4 · Listen

Listen to your TV

  1. Play a TV program with speaking voices.
  2. Put on the headphones. Press + or − to adjust the volume.
  3. Check that you hear TV sound through the headphones.
✓Success: you hear TV sound. The headphones show solid blue and Headphones 1 on the transmitter shows solid white.
No soundNot connected

Power, volume & charging

Turn on or off

Use the headphone slider labeled PAIR / ON / OFF.

  • On: slide the switch to ON.
  • Off: slide it to OFF.

Adjust volume & speech

Start at a low level and increase gradually.

  1. Press + or − on the headphones.
  2. If using AUX, also raise the TV volume.
  3. If Optical volume is low, slide OPT Volume on the transmitter to Boost.
  4. Use the sound-mode button to try Clear Voice.

Charge the headphones

Use the powered dock or plug USB-C directly into the headphones.

3.5 hUSB-C
5.5 hCharging dock
  • Charging: solid red.
  • Full: light off.
  • Dock not charging? Realign the headphones with the charging pins.

After charging: take the headphones off the dock. If they stay off, slide OFF → ON.

Do they switch on automatically?

Charging and automatic restart behavior can vary by headphone version. Earlier units may switch off during charging and need an OFF → ON restart.

If yours stay off, use the restart above. Then check for a solid blue headphone light and TV sound.

Need the behavior for your unit? Send support the headphone model and batch code, if shown on its label.

Watch: charge the HT5009 Plus headphones.

Fix a problem

01No sound
  1. Confirm the Headphone 1 light is solid white. Green-and-white flashing means the headphones are not connected.
  2. A flashing white OPT or AUX light means the TV is not sending an audio signal. Reseat the cable and confirm the matching TV audio output.
  3. For Optical, select PCM or Stereo. For AUX, raise the TV output volume.
Open the no-sound FAQ →
Not connected

After charging, the headphones may still be off even if the slider is at ON.

  1. Take the headphones off the powered dock.
  2. Slide the headphone switch to OFF, then ON.
  3. Turn on the transmitter. Keep the headphones close and wait 5–10 seconds.
  4. Still not connected? Press Headphones 1 on the transmitter once.

Connected: headphone light solid blue; transmitter Headphones 1 light solid white. Play TV sound to check.

Still not connected? Open the reconnect guide →
03Headphones not charging
  1. Confirm the charging dock has its own USB-C power connection.
  2. Place the headphones squarely on the charging contacts.
  3. Wipe the contacts gently with a clean, dry cloth and reseat them.
  4. Allow about 3.5 hours by USB-C or 5.5 hours on the dock.
Open the charging FAQ →
More quick fixes