HT5009 Plus - Buttons, Indicators & Function Table – Avantree Support

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Find the Controls on Your HT5009 Plus

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HT5009 Plus headphones

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2 WHAT IT DOES

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Good to Know

Use a reliable wall power source. Avoid charging from a TV or computer USB port or from a power bank, because these may not provide sufficient power.
Using Optical or HDMI ARC? Set the TV’s Digital Audio Output Format to PCM to help prevent audio problems.
Volume Boost works only with Optical input. Set the front Volume Boost switch to ON for 6 dB more volume.

Something Doesn’t Look Right?

No Sound?

Check the steps for restoring headphone audio after setup.

Open No-Sound Guide

Strange Audio?

Check the TV’s PCM setting and streaming-service compatibility.

Check Audio Settings

Need Multiple Audio Outputs?

Use a soundbar, TV speakers, and headphones at the same time.

View the Guide

SELECT A CONTROL Your explanation will appear here. Choose a control above. Light meanings focused on

HT5009 Plus headphones HT5009 Plus headphones showing the controls on the earcup

PAIR / ON / OFF Switch Power and headphone pairing Headphone switch Turn the headphones on or off, or start Bluetooth pairing.

Slide to ONTurn the headphones on.

Slide to OFFTurn the headphones off.

Slide and hold at PAIR for 3 secondsEnter pairing mode.

Volume + / − Buttons Volume and headphone reset Headphone buttons Use the + and − buttons on either side of the Multi-Function Button.

Press or hold + / −Increase or decrease the volume.

Hold + and − together for 8 secondsReset the headphones.

Multi-Function Button Reconnect, play, pause, and mute Headphone button This is the button with the phone symbol between the + and − buttons.

Bluetooth connection

Press onceReconnect to the last paired Bluetooth device.

Double-clickEnable or disable mute.

When using the headphones without the transmitter

Press oncePlay or pause audio.

EQ Button Change the sound mode Headphone button Choose the sound profile that is easier for you to hear.

Press onceSwitch between Balanced and Clear Voice sound modes.

Headphone Status Light Power, pairing, connection, and battery Headphone indicator The small status light reports the headphones’ Bluetooth and battery status.

Flashing blueThe headphones are powering on.

Solid blueThe headphones are connected.

Flashing red and blueThe headphones are in pairing mode.

Flashing redThe battery is low. Charge the headphones.

Solid redThe headphones are charging.

OffThe headphones are fully charged or powered off.

HT5009 Plus transmitter HT5009 Plus transmitter showing its controls and indicator lights

ON / OFF Switch Transmitter power Transmitter switch Use the side ON / OFF switch to control transmitter power.

Slide to ON or OFFTurn the transmitter on or off.

Volume Boost Switch Boost Optical input volume Transmitter switch Adjust the front Volume Boost switch when using Optical input.

Set to ONRaise the Optical input volume by 6 dB.

Set to OFFUse the normal Optical input volume.

Headphone 1 Button Pair, reconnect, or lock Headphone 1 Transmitter pairing button Manage the first headphone connection.

Hold for 2 secondsEnter pairing mode.

Press onceReconnect to the last paired Bluetooth device.

Hold for 10 secondsLock Headphone 1 to the transmitter.

Headphone 2 Button Pair, reconnect, or lock Headphone 2 Transmitter pairing button Manage the second headphone connection.

Hold for 2 secondsEnter pairing mode.

Press onceReconnect to the last paired Bluetooth device.

Hold for 10 secondsLock Headphone 2 to the transmitter.

Volume + / − Volume and transmitter reset Transmitter buttons Use the round + and − buttons on the top panel.

Press or hold + / −Adjust the volume.

Hold + and − together for 5 secondsReset the transmitter.

OPT / AUX Audio Signal Light Shows whether audio is detected Transmitter indicator The OPT / AUX light shows whether the transmitter is receiving a valid audio signal.

Flashing whiteNo valid audio signal is detected.

Solid whiteA valid audio signal is detected.

Audio Codec Lights Shows the audio codec currently in use Transmitter indicators The APTX and SBC lights show which Bluetooth audio codec is currently in use.

Solid whiteThe labeled Bluetooth audio codec is currently in use.

Headphone Connection Lights Pairing, connection, and lock status Transmitter indicators The Headphone 1 and Headphone 2 symbols report connection status.

Flashing white and greenThe transmitter is in pairing mode.

Solid whiteA headphone is connected.

Headphone 1: solid green for 4 secondsHeadphone 1 is locked to the transmitter.

HT5009 Plus charging dock HT5009 Plus charging dock with its front charging indicator

Charging Dock Indicator Headphone charging status Charging dock indicator The small vertical front light shows whether the headphones are charging.

Solid redThe headphones are charging.

OffThe headphones are fully charged.