Avantree ST4105 – Bluetooth Transmitter & Wireless Wearable Neckband Speakers for TV Watching with Retractable Earbuds, 3D Surround Sound, and No Lip-Sync Delay


Product Description

Man watching TV with Avantree portable speaker and transmitter set. Man watching TV with Avantree portable speaker and transmitter set.




Hands Free, Ears Free

Simply rest the wearable neck speaker on your shoulders and enjoy 3D sound.

Superior Sound Quality

Independent DSP and 2 speakers produce theater-quality surround sound — perfect for watching movies.

High Definition Audio

The neck speaker is Qualcomm aptX-HD compatible, so you’ll be delivered premium sound when used with other aptX-HD Bluetooth devices.




No Lip-Sync Delay

Featuring aptX Low Latency technology, the speakers and transmitter together deliver high-quality sound in perfect synchronization with what you’re seeing on screen.

Retractable Built-In Earbuds

Switch to the built-in retractable earbuds when taking private phone calls or when you don’t want to disturb others around you.

Long Work Range

The Avantree 4105 allows you to roam around the house freely with multi-room coverage while still enjoying a high-quality sound experience.


Widely Compatible  Works with a wide range of output standards including optical audio, AUX or RCAWidely Compatible  Works with a wide range of output standards including optical audio, AUX or RCA

Easy to Use  Easy to Use

Bluetooth-Enable Your Devices

Bluetooth-enable your TV, AV receiver, PC / laptop, or any other favorite device and wirelessly stream audio to your headphones.

Widely Compatible

Works with a wide range of output standards including optical audio, AUX or RCA and even computer digital USB audio. Enjoy Bluetooth freedom without wires to get in your way!

Easy to Use

Our user-friendly interface allows you to see a clear visual when the device is in pairing mode and what type of codec is in use.

[HIGH-QUALITY 3D SOUND] The speaker wraps all the way around the neckband, giving you full-range, high-quality audio. If you prefer to keep the audio to yourself, you can utilize the retractable earbuds instead.
[ERGONOMIC DESIGN] The lightweight wireless neck speaker loops gently around your neck and rests on your shoulders, providing a comfortable fit even after long periods of use.
[UNIVERSALLY COMPATIBLE] With Optical, AUX, and RCA input options, the Bluetooth transmitter is compatible with virtually every TV on the market.
[SURROUNDINGS AWARENESS] Because there’s nothing to physically obstruct your ear when you listen to the neckband speaker, you’ll be able to listen to your favorite shows while also maintaining awareness of your surroundings. Listen for the doorbell, monitor pets and kids, etc., all with peace of mind.
[NO LIP-SYNC DELAY] Both the neckband speakers & the transmitter are aptX Low Latency-certified, meaning that when used in tandem, they provide a lagless experience so you can enjoy perfectly synced visual and audio.


Benefits of quality speakers

With quality speakers, you can expect a much better listening experience. One of the main advantages is that they provide clearer and more accurate sound, allowing you to hear all the details in your favorite music or movies. This is because these speakers are designed to reproduce a wider and more accurate frequency range, which means you can hear the lowest and highest sounds more clearly.

In addition, quality speakers typically have a more powerful and immersive sound, allowing you to fully immerse yourself in the listening experience. This is especially useful when watching movies, as it allows you to feel as if you are in the scene itself.

Another advantage of quality speakers is their durable and sturdy construction. Quality speakers are made from high-quality materials and are designed to withstand prolonged use. This means that you can enjoy high-quality sound for many years without having to worry about the need to replace them.

In short, quality speakers offer a much better listening experience, with clearer, more accurate and powerful sound, better bass and treble reproduction, and a durable, rugged construction for long-lasting use.

There are several types of speakers, including:

1.-Box speakers: these are the most common speakers and are used in a variety of applications, from home sound systems to professional sound equipment.

2.-Column speakers: they are similar to box speakers, but have a taller and more streamlined design.

3.-Satellite speakers: are small speakers that are used in conjunction with a subwoofer to provide surround sound.

4.-Tweeter and midrange speakers: these are specialized speakers used to reproduce high and mid-frequency sounds.

5.-Bass speakers: these are specialized speakers used to reproduce low frequency sounds, such as bass.

6.-Wireless speakers: speakers that connect to a device via a wireless connection, such as Bluetooth or Wi-Fi.

7.-Home theater speakers: these are specialized speakers used in home theater systems to provide high-quality, immersive sound.

8.-Monitor speakers: these are specialized speakers used in recording and production studios to provide accurate and detailed sound.

9.-Bookshelf speakers: are medium-sized speakers that are placed on a shelf or furniture, ideal for small environments and to complement a home sound system.