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Interactive user guide

Opera Plus Setup Guide

TV headphone setup

Connect by Optical, HDMI ARC, or AUX, then listen through the included wireless headphones.

Start SetupFix a problem
Opera Plus headphones and transmitter charging baseClear dialogueUp to 20 hours

Start setup

Choose a setup method

The headphones and transmitter dock are Pre-paired. Turn both on to connect automatically.

Recommended kit setup

Set up with the transmitter

Step 1 of 4 · Power

Power the transmitter

  1. Connect USB-C to the transmitter.
  2. Connect USB-A to a 5 V, 1–2.4 A USB power adapter.
  3. Slide the transmitter power switch to ON.
Opera Plus transmitter
✓
Expected result: the transmitter power light is on.
No light? Reseat both cable ends. Try another USB power source.

Step 2 of 4 · Cable

Connect your TV

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

Not sure? Take a photo of your TV ports.Contact Support →

Connect the Optical cable

  1. Remove the clear protective caps from both cable ends.
  2. TV: plug into OPTICAL / DIGITAL AUDIO OUT.
  3. Opera Plus transmitter: plug into OPT IN.
  4. Set the transmitter input switch to OPT.
✓
Ready

Both square plugs are fully inserted and the input switch points to OPT.

Connect the AUX cable

  1. TV: plug into HEADPHONES / AUDIO OUT.
  2. Opera Plus transmitter: plug into AUX IN.
  3. Set the transmitter input switch to AUX.
  4. Raise the TV volume to a normal level.
✓
Ready

Both round plugs are fully inserted and the input switch points to AUX.

Connect the HDMI cable

  1. Use only the TV port labeled HDMI ARC or HDMI eARC.
  2. Opera Plus transmitter: plug the other end into HDMI ARC.
  3. Set the transmitter input switch to HDMI ARC.
✓
Ready

The cable uses the TV ARC/eARC port and the input switch points to HDMI ARC.

Step 3 of 4 · TV sound

TV sound settings

Use your TV remote.

Choose your cable in Step 2 to see the matching TV settings.

Open Settings → Sound

OPTICAL
  1. Sound OutputOptical / External Speaker / Audio System
  2. Digital Audio Format
    Use:PCM or Stereo
    Do not use:Dolby, DTS, Auto, or BitstreamThese may produce silence.
  3. Play audioPlay a program with speaking voices.
HDMI ARC
  1. Sound OutputHDMI ARC / Receiver
  2. eARCOffHow to turn off eARC →
  3. Digital Audio Format
    Use:PCM or Stereo
    Do not use:Dolby, DTS, Auto, Bitstream, or Pass ThroughThese may produce silence.
  4. Play audioPlay a program with speaking voices.
AUX
Sound OutputHeadphones or Audio Out

Raise the TV volume to a normal listening level. No PCM setting is needed.

Find PCM steps for your TV brand
Samsung LG Sony TCL Roku Hisense VIZIO Philips Panasonic Sharp Insignia Other TV brand
TV speakers + headphones?Check TV compatibility and steps →

Step 4 of 4 · Listen

Turn on and listen

The included headphones are already paired. Finish the TV settings above, then:

  1. Slide the headphones to Base / TV.
  2. Wait for the LED to turn solid blue.
  3. Put on the headphones and listen to the TV.
Opera Plus headphones
✓
Success: solid blue light + TV sound.
No soundCan't connect

Daily use

Adjust volume

  1. Adjust on the headphonesUse the + / − buttons on the headphones.
  2. Adjust TV volume, if availableOptical / HDMI ARC: TV volume may be fixed.
    AUX: the TV remote volume may work.
  3. Turn on VOL Boost on the baseSwitch it on for up to +8 dB higher output.

Volume Boost is intended to help seniors hear more clearly. It is not designed for severe hearing loss or hearing-aid-level use.

Bluetooth / Phone mode

Use with a phone or PC

Turn off the Opera Plus transmitter first.

  1. Switch to Bluetooth / PhoneWait for red and blue flashing. If not, hold Play / Pause (▶Ⅱ) for 3 seconds.
  2. Select Opera PlusOpen Bluetooth settings on your phone, tablet, or PC and select Opera Plus.
  3. Play your audioSolid blue means connected. Listen through the headphones.
Watch: connect Opera Plus headphones to a phone or PC

Daily use

Charge the headphones

Use the powered dock or a USB-C cable.

Power & charging

About 2.5 hours for a full charge

  1. Use the powered dock or USB-C with a 5 V, 1–2.4 A source.
  2. On the dock, align the charging contacts.
  3. Solid red means charging; the LED turns off when full.

Not charging? Reseat the headphones or USB-C cable and verify the power source.

Battery reference

Up to 20 hours of playtime. Actual time varies with volume, connection, and use.

Daily use

Use a soundbar and headphones together

Match the input and output cable.

TV Optical audio enters the Opera Plus transmitter, passes from OPT OUT to a soundbar, and sends audio wirelessly to the headphones
OPT IN → OPT OUT, or AUX IN → AUX OUT.
  1. 1Get headphone sound with Optical or AUX.
  2. 2Connect the matching OUT to the soundbar.
  3. 3Select that input on the soundbar.

HDMI ARC soundbar? Opera Plus does not pass HDMI ARC through the transmitter. Use the HAX06 extractor and follow its setup guide to send sound to both devices.

In the box

Everything included

Opera Plus headphones and transmitter charging dockHeadphones + transmitter dock
USB-C power cableUSB-C power cable
Optical audio cableOptical cable
3.5 mm AUX audio cableAUX cable

HDMI cable is not included. Use a standard HDMI cable only when connecting through HDMI ARC.

Reference

Connections and lights

Add a second pair of headphones

Use one additional Opera Plus Extra (AS90-K). Keep it close to the transmitter.

  1. Switch the new headphones to TV / Base. Hold Play / Pause until the LED alternates red and blue.
  2. Turn on the transmitter. Hold its switch in PAIR until the LED alternates red and blue.
  3. Wait 3–5 seconds for both LEDs to turn solid blue.

Done: both headphones play TV sound and have independent volume control.

Limit: the transmitter supports up to two AS90-K headphones at once.

Open the full pairing guide →
Check buttons and indicator lights
Headphones: solid blue
Connected
Headphones: red and blue
Pairing mode
Headphones: solid red
Charging; the light turns off when full
Transmitter: solid blue
Headphones connected
Transmitter: VOL Boost green
Volume Boost is on, up to +8 dB
Input switch
Must match Optical, HDMI ARC, or AUX

Quick fixes

What do you need help with

No sound after setup

Likely condition: the TV output, cable, transmitter input, or audio format does not match.

  1. Switch the headphones to Base / TV and wait for solid blue.
  2. Confirm the cable uses the TV AUDIO OUT and the transmitter input switch matches it.
  3. For Optical or HDMI ARC, select the matching TV output and set audio to PCM or Stereo.
  4. Play a program with speaking voices.

Expected result: solid blue light and TV sound in the headphones.

Open the full no-sound guide →
Headphones will not connect

Likely condition: the headphones are in Bluetooth / Phone mode or need a fresh connection.

  1. Switch the headphones to Base / TV.
  2. Turn the transmitter and headphones off.
  3. Turn on the transmitter, then the headphones, and keep them close together.
  4. Wait for the headphone LED to turn solid blue.

Expected result: solid blue means the headphones are connected to the transmitter.

Open Opera Plus support →
No light on the transmitter

Likely condition: the transmitter is not receiving power.

  1. Reconnect the USB-C plug at the transmitter.
  2. Reconnect USB-A to a working 5 V, 1–2.4 A power adapter.
  3. Try another USB power adapter or cable.
  4. Slide the transmitter switch to ON.

Expected result: the transmitter power light turns on.

TV speakers stopped working

Condition: some TVs mute their speakers when an external audio output is selected.

  1. Open the TV Sound settings.
  2. Look for TV Speaker + Optical, Simultaneous Audio, or a similar setting.
  3. For AUX, check whether the TV headphone jack automatically mutes its speakers.

Expected result: both play only if the TV supports simultaneous audio.

Check TV compatibility and steps →
Not loud enough

Likely condition: the headphone, TV, or transmitter output level is too low.

  1. Raise volume with the headphone + button.
  2. For AUX, raise the TV volume to a normal listening level.
  3. Turn VOL Boost on at the transmitter for up to +8 dB.

Expected result: speech plays louder through the headphones.

Open the full volume guide →
Headphones will not charge

Likely condition: the dock has no power or the charging contacts do not touch.

  1. Power the dock with a 5 V / 1 A wall adapter.
  2. Wipe the charging contacts with a clean, dry cloth.
  3. Reseat the headphones until the contacts touch, or connect USB-C directly.
  4. Try another power adapter and cable if no red light appears.

Expected result: solid red means charging; the light turns off when full.

Open the full charging guide →