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How Does A Bluetooth Audio Transmitter Work?

  • 5 min read

How Does A Bluetooth Audio Transmitter Work?

About 20 years ago, wireless technology didn’t exist. People relied on technology like landline phones and dial-up internet for daily communication. But slowly, as time went on, wireless technology like Bluetooth became a part of our everyday routines.

You probably use Bluetooth technology constantly and never even think about how it works. Your phone, earbuds, laptops, and cars use Bluetooth to provide you with a seamless listening experience. However, there are still devices that we use that aren’t capable of being wireless. Bluetooth Audio transmitters can help transform these devices and bring them into the 21st century. 


What Is A Bluetooth Audio Transmitter?

A Bluetooth transmitter enables TVs to stream high-quality sound to speakers. The transmitter sends a Bluetooth signal out that connects to a compatible device. The transmitter connects to a device’s analog/digital output and sends a signal to the device that you want to use to control it. 

The transmitter decodes information into a transferable format and then sends that information through radio waves to a receiver. The transmitter produces the audio frequency itself, which is picked up by a receiver. Let’s dive a little deeper into how Bluetooth really works. 

Background On Bluetooth Tech

Bluetooth was designed to replace RS-232 telecommunication cables. It wasn’t originally intended for streaming audio, but that is mainly how it is used today. Bluetooth was invented in the 1990s and has come a long way in the past 30 years. 

Bluetooth technology uses radiofrequency topology which is referred to as “star topology.” A group of devices synced this way is called a piconet. This piconet contains the master device and up to seven other devices in the network. 

In simpler terms, Bluetooth tech utilizes the ideas of“inquiry” and “inquiry scanning.”Then, scanning devices will “listen in” on the network for devices that are actively inquiring. Bluetooth signal can go through walls, but sometimes certain obstacles can affect the strength of the signal. 

How Do You Use A Bluetooth Audio Transmitter?

To use a Bluetooth audio transmitter, it would have to connect to adevice’s digital or analogoutput by sending a signal to a Bluetooth-capable device. Make sure that both of your devices are relatively close to one another. You’ll probably have to turn the transmitter on and put it into pairing mode. 

Now the Bluetooth receiving device should be able to pair with the transmitter and you’ll have a connection. Most Bluetooth transmitters can remember previous devices it has been paired with. You can usually clear the pairing history by reading the instructions that came with your transmitter. 

Bluetooth Receiver Vs. Bluetooth Transmitter

Both of these devices make it easier to listen to your favorite audio, but they work differently. It’s crucial to understand the difference between these devices so that you can get the correct one for your needs. 

A Bluetooth transmitter enables devices to stream high-definition sound to speakers and headphones.They send out a signal for you to control from a phone or tablet. On the other hand,Bluetooth receivers attach to analog or digital stereo systems and allow you to listen from your phone to the speaker. It takes in a Bluetooth signal to stream audio from a non-compatible device. 

Can You Find A Bluetooth Audio Transmitter That Also Receives?

The answer is yes, you can! Auris offers aWireless Bluetooth Audio Transmitter and Receiverdevice. It allows you to enjoy high-quality wireless audio streaming from your existing TVs and home theater systems to your Bluetooth headphones or speakers. 

The receiver function allows audio streaming from any Bluetooth-enabled smartphone and it supports Qualcomm aptX Low Latency technology. This eliminates lip-syncing issues and lets you enjoy lag-free audio. It streams real-time audio to up to two Bluetooth headphones or speakers simultaneously. 

Our transmitter and receiver all-in-one has a sleek and compact design with gel mounts that you can install on your TV and audio equipment. It features analog and digital inputs and outputs for compatibility with old and new audio devices and TVs. 

How To Find The Right Bluetooth Transmitter For You

There are many Bluetooth transmitters on the market. A lot of them are similar in design and functionality, with a few key differences. Here are some of the things to look for if you’re trying to buy a Bluetooth audio transmitter. 

  • Look for a device that’s easy to connect to. It can be tricky when transmitters require an app to download first or have a wireless router network requirement. You want a Bluetooth transmitter that will stay connected without repeated failures.
  • Latency is a big factor to consider when it comes to Bluetooth transmitters. Look for a device that supports aptX and aptX Low Latency. This will ensure that your audio delivers sound that is in sync with what’s on your screen. 
  • The sound output shouldn’t be reduced because of a Bluetooth transmitter. Find a device with audiophile-grade playback quality. 
  • Multi-device pairing is another huge consideration for Bluetooth transmitters/receivers. If you’re looking to use two devices at once with your transmitter, make sure it has this functionality. 

Different Ways To Use A Bluetooth Audio Transmitter

There are multiple ways you can use a Bluetooth audio transmitter in your home or on the go. The first use case is connecting your television to your wireless headphones or speaker. To do this, connect your transmitter to the TV’s audio output. Pair the Bluetooth-enabled device with the transmitter and you’re ready to go!

You can also use a transmitter for your car to connect your car’s audio system to your phone. You’ll need to find a Bluetooth FM transmitter for this that compatible with your car. Find an empty FM channel to tune in to and select the same channel on your transmitter. 

Lastly, a Bluetooth transmitter can be used to connect your PC to headphones. Plug your transmitter into your PC and install it. Next, pair your device with the transmitter and you can listen to music or watch your favorite show wirelessly. 

Do Transmitters Interfere With Other Devices Over Bluetooth?

One of the issues with certain transmitters is that they can cross signals with other Bluetooth devices and lose their signal. Sometimes Wi-Fi interferes with Bluetooth in some cases. Make sure that you get a transmitter with high interference tolerance. This will allow you to have a much more stable signal in areas with a lot of interference over Bluetooth. 

Analog Vs. Digital

Devices that aren’t Bluetooth capable likely fall into one of two categories. Analog or digital.Analog devices transmit sound through a continuous analog signal and produce high-fidelity sound. These devices playback exactly what was recorded when you listen to them. 

Digital devices use binary codes to deliver sound quality that reflects the intensity at certain frequencies and pitches. Bluetooth, however, uses wireless transmission to communicate information through the air. The quality of Bluetooth is slightly lower than analog and digital but isn’t very noticeable for the average listener. 

Is A Bluetooth Transmitter Or Receiver Better?

There isn’t an answer as to which device is better, but there could be one that is more fitting to your needs. Both a transmitter and receiver offer features that can enhance your audio streaming experience. If you’re wondering which one to get, think about what you’ll be using it for and go from there. If you can’t decide between one or the other, you can buy a two-in-one device fromAuris. 

Summing It Up

Bluetooth Audio transmitters are a lifesaver for both modern-day and older technology. Transmitters are the perfect way to go when you’re looking to send Bluetooth sound from a television to a wireless device. Audiophiles are sure to enjoy this invention making it easier to get great sound quality from any equipment they own. 



'What is Bluetooth?': A beginner's guide to the wireless technology | Business Insider 

Aux vs. Bluetooth: What's the Difference? | 

The “Analog vs. Digital” Debate | Medium