Reentex Information Blog


Avantree Opera 35Hrs Comfortable Wireless Headphones for TV Watching with Bluetooth 5.0 Transmitter




Price: $219.98 - $159.99
(as of Mar 24,2022 10:25:54 UTC – Details)

Product Description


Avantree Opera:

Bluetooth 5.0 Headphones Transmitter SET (w/ optical support) for Watching TV, Wireless Heaphones and 2-in-1 Charging Stand Transmitter.
Our latest headphone-transmitter combo in 2020. A one-stop-shop solution – easy to use, plug & play support with a convenient pass-through feature and long operating range.
Additional features include 2 EQ modes and a convenient button to easily mute TV audio for conversation or for skipping advertisments.

Recommended Uses:

Bluetooth-enable TV, PC, DVD with optical, RCA or AUX audio output.
Bluetooth-enable AV receiver & other audio devices.
For no audio delay, long music play time (35H) and long range.
Bypass: If you have only ONE OPTICAL Output from TV, and it is currently used by your soundbar, you can use the BYPASS function. You can enjoy TV audio via Bluetooth headphones and a wired speaker simultaneously with independent volume control.

Doesn’t work / not recommended for:

Dolby DTS is not supported. When using TV optical out, MUST set audio format to PCM.
Not for TVs with non-functional audio output ports (test before purchase).
Not compatible with ANY RCA outputs on the back of AV Receivers or amplifiers.
May mute built-in TV speakers (depends on TV make/model).
Not Reccomended for working out.
Attention – Designed & built for a balanced sound with an emphasis on clarity. NOT recommended for heavy bass enthusiasts.

What’s in the box?

Transmitter / charging dock
Power cable (Contact Avantree Support if you need an extra power adapter)
Optical audio cable
3.5mm audio cable
3.5mm to RCA audio cable
Wired microphone
User Guide

Avantree operaAvantree opera

Be Amazed by Avantree



Easy 1-click mute for TV Ads

Easy 1-click mute for TV Ads

Mic input support

Mic input support

Enhance your TV listening experience

Enhance your favorite TV programs by choosing from 3 different equalizer presets to emphasize speech for dialogue-driven programs, or music for a balanced sound.

Easy 1-click mute for TV Ads

Temporarily mute the audio from the headphones for conversation or during commercial breaks with the flip of a switch, then toggle it back on again when your TV program resumes.

Microphone input support

A solution if your TV doesn’t have any working audio ports or they’re inaccessible (wall mounted) and hard to reach. The Opera transmitter charging stand supports a mic input – this means it can pick up the audio from your TV speakers and stream it to the wireless headphones.

Lastest Bluetooth 5.0Lastest Bluetooth 5.0

Lastest Bluetooth 5.0

Featuring the latest chipset Bluetooth 5.0 for an uninterrupted premium audio experience! For all-day use lasting longer than 2.4GHz headphones and transmitters.

Extended RangeExtended Range

Extended Range

Featuring Bluetooth Class I technology, the Opera has a working range of up to 164ft / 50m! This gives you the ability to roam around the house freely while still maintaining a stable connection with your transmitter.

Works with all TVsWorks with all TVs

Works with all TVs

The Opera can work with your TV, whether it’s brand new or an older dated model. It’s universally compatible with any TV that has optical, AUX/3.5mm or RCA audio output ports.

Supports ALL your devicesSupports ALL your devices

Supports ALL your devices

The Headphones that come with the Opera set can be used independently as a regular Bluetooth headphone. Use it without the transmitter charging stand and pair it with your smartphone, tablet, laptop, PC or another TV with Bluetooth.

Lastest Bluetooth 5.0Lastest Bluetooth 5.0

Extended RangeExtended Range

Works with all TVsWorks with all TVs

Supports ALL your devicesSupports ALL your devices

avantree operaavantree opera

Ergonomic Design

The headphones has an adjustable headband, swiveling earcups and super soft earpads. Lightweight designed keeps pressure off your head, perfect for extended periods of use.

Product Specifications:

for transmitter:

Bluetooth version: V5.0
Bluetooth profiles: HSP v1.2, HFP v1.7, AVRCP v1.0, A2DP v1.3.1
Audio codec support: aptX-LL, aptX, FastStream, SBC
Operating range: Class 1, up to 164ft/50m

for headphones (AS90C):

Bluetooth version: V5.0
Bluetooth profiles: HSP v1.2, HFP v1.6, A2DP v1.4, AVRCP v1.2
Audio codec support: FastStream, SBC
Operating time: up to 35 hours play time

Wireless Technology
Bluetooth 5.0 Bluetooth 5.0 Bluetooth 5.0 2.4Ghz

Audio Out Support
OPTICAL, 3.5mm, RCA, Mic A second pair of headphones for Opera OPTICAL, 3.5mm, RCA OPTICAL, 3.5mm, RCA, 6.35mm, Coaxial

Simultaneous soundbar & BT headphones work with different volumes


Use Each Unit independently with Other Bluetooth devices

√ X

Play Time
≤ 35H ≤ 35H ≤ 35H ≤ 12H

Audio Quality (Subjective)
9/10 9/10 7.5/10 7/10

Wearing Fitting (Subjective)
9/10 9/10 8/10 7/10

106 dB 106 dB 101 dB 108 dB

TV Ads 1-Click Mute


Speech Clear / EQ


【Universally Compatible】 1.Thanks to Opera’s Optical, AUX, and RCA input cables, it is universally compatible and works with all TVs on the market. With it, you’ll be able to listen to your favorite TV shows/movies at your own volume; you’ll no longer have to turn the TV speaker volume all the way up and disturb your family or neighbors.
【 PERFECT FOR WATCHING TV】 Works with all TVs on the market, easily connect to your TV for shows, movies and gaming. Our headphones deliver high quality sound in perfect synchronization with on screen video. The headphone features 3 EQ presets to enhance your TV listening experience. Choose from 3 different equalizer presets to emphasize speech or music for a balanced sound.
【Hassle-Free Set Up】No need to go through the complex Bluetooth pairing process; simply plug Opera’s transmitter dock into your TV’s audio out port, power everything on, they’ll quickly connect with each other, and you should be good to go. Works brilliantly with older Non-Smart TVs as well, no audio lag no matter what you watch.
【Soundbar/Stereo AVR Support】 The “Pass-through” feature of Avantree Opera allows it to work TOGETHER with your existing Soundbar or Stereo AV Receivers WHILE sharing the same audio output port on TV; hear the TV at your own volume through the headphones while your family/friends listen through the speakers.
【Let your Ears Breath】 The Opera headphones is lightweight & flexible; it comes in at 8oz (~230g) compared to the 10+ oz (290+ g) of its competitors. This, combined with the soft memory foam earpads that are designed to seal the audio in while still allowing your ears to “breath”, will provide you with immense comfort even after a full day of use.