Projectors have improved a lot. They used to be big and not very clear, but now they’re slim and show high-quality pictures. They can turn any room into a home theater. We usually talk about how good they look, but how they sound is also important for a great movie experience.

Projectors with optical audio give you fantastic sound. This makes them a top pick for people who love movies. If you get one, your home can feel just like a movie theater.

Projector With Optical Audio

In this article, we’ll talk about projectors with optical audio and how they can make your home theater amazing. So, keep reading!

How does optical audio work?

An optical audio cable is made up of several fiber optic strands. When you send an audio signal through these strands, it changes the electrical audio data into light pulses. These light pulses go through the cable to the device that’s supposed to get them. There, they turn back into an electrical signal, making the original audio sound incredibly clear.

Here, I’ve provided a link to the AVS Forum for your convenience, so if you want more information, you can check it out.

Benefits of Optical Audio in Projectors

Benefits of Optical Audio in Projectors

I want to tell you about the amazing benefits of using optical audio in projectors. It has truly transformed my home theater setup, and here’s why I think optical audio is a game-changer:

Crystal Clear Sound

Optical audio delivers incredibly clear sound, making you feel like you’re right inside the movie. Compared to other connections, the audio quality is outstanding, with every word and sound effect being sharp and precise.

No Interference, No Disturbance

Optical audio leaves no room for unwanted noise or interference. I never had to worry about annoying static or buzzing sounds, even when other electronic devices surrounded my projector.

Easy Setup, No Hassle

Setting up optical audio was very easy. You plug in the cable, and you’re ready to enjoy high-quality sound. There’s no need for complex configurations or technical expertise; it’s as straightforward as connecting the dots.

Immersive Movie Nights

Easy Setup, No Hassle

My home theater experience became truly immersive with optical audio. The surround sound was incredible, making me forget I was sitting in my living room.

Reliable and Durable

Optical audio cables are built to last. I never had to worry about wear and tear. They are sturdy and reliable, ensuring that my audio connection stays rock-solid.


Optical audio is here to stay. It’s not going out of fashion anytime soon. So, investing in this technology means you’re future-proofing your home theater setup. You won’t have to upgrade your audio connection anytime soon.

Types of Projectors with Optical Audio

DLP Projectors

Let me walk you through the two main types of projectors that offer optical audio. It’s pretty simple stuff, so don’t worry, and let’s dive right in!

DLP Projectors

These projectors offer incredibly sharp images and super-fast performance. They also come with optical audio ports, delivering top-notch visuals and sound quality in one package.

LCD Projectors

LCD projectors are all about vibrant and accurate colors. They excel at color accuracy, making visuals look true to life. Some LCD projectors also support optical audio, giving you both stunning colors and crystal-clear sound.

Both types have their strengths, with DLP offering sharp visuals and speedy performance, while LCD focuses on vibrant colors and accuracy. Your choice depends on whether you prioritize visuals or color quality in your projector setup.

Choosing the Right Projector with Optical Audio

When it comes to picking the perfect projector with optical audio, here’s what I’ve learned from my own experience, and I’ll keep it really simple:

Factors to consider


Think about how sharp and clear you want your images. Higher resolution means crisper visuals. It’s like choosing between a regular photo and a super-detailed one.


Consider where you’ll use the projector. If it’s in a dark room, you won’t need as much brightness. But for a well-lit space, you’ll want a brighter projector to see everything clearly.

Throw Distance

Throw Distance

This one’s about how far you want to place your projector from the screen. Short throw means it can be close, while long-throw means it has to be farther away. Just think about how much space you have.


Make sure your projector plays nicely with your other audio equipment.

Budget-friendly options

You don’t have to spend a fortune to enjoy optical audio in your home theater. There are affordable projectors out there that give you great audio without sacrificing the quality of what you see.

Setting Up Optical Audio for My Projector

Setting up optical audio for my projector might sound tricky, but trust me, it’s not. Here’s how I did it, step by step:

Step 1: Gather My Stuff

First, I got everything ready:

  • My projector with an optical audio output
  • An optical audio cable (sometimes called TOSLINK or S/PDIF)
  • An audio receiver or soundbar with an optical audio input

Step 2: Turn Off Everything

Before I got started, I made sure all my devices were turned off. That means the projector, audio receiver, and any other audio gadgets I had.

Step 3: Find the Ports

I looked for the optical audio ports on my devices. They look like small square or rectangular holes, usually with a little cover to keep them clean.

Step 4: Plug In One End

I took one end of my optical audio cable and gently pushed it into the optical audio output on my projector. I made sure it fit nicely, not too tight, and not too loose.

Step 5: Connect the Other End

optical audio cable

Next, I plugged the other end of the optical audio cable into the optical audio input on my audio receiver or soundbar. Again, I made sure it was a snug fit.

Step 6: Turn On the Gear

With all my connections set up, I turned on my projector, audio receiver, and any other equipment I had.

Step 7: Choose the Right Input

Using my projector’s remote or menu, I found the settings and selected optical audio as the input source. On my audio receiver or soundbar, I did the same – I chose the optical audio input.

Step 8: Test It Out

I played some audio or a video on my projector to check if everything was working. If I heard a sound coming from my audio receiver or soundbar, I knew I did it right!

Troubleshooting Tips

Troubleshooting Tips

Sometimes, things could not have gone better when setting up optical audio for my projector. Here’s what happened and how I fixed it:

No Sound

I once faced a situation where I had no sound at all, so I checked everything. I made sure that the optical audio cable was securely plugged into both the projector and the audio receiver or soundbar. Problem solved!

Strange Sounds

There was a time when the audio didn’t sound quite right; it had static and strange noises. I realized the culprit was a damaged optical audio cable. I replaced it with a new one, and the sound was crystal clear again.

Audio Delay

Imagine watching a movie where the sound doesn’t match the characters’ lips – quite annoying, right? I experienced this, but I knew what to do. I went into my projector’s settings and found the audio delay or synchronization options. Adjusting those settings made the sound sync perfectly with the video.


Once, I heard weird noises and interference. It turned out the optical audio cable was too close to other electronic gadgets like Wi-Fi routers and cables. I moved it away, and the noises disappeared.

Optical Audio vs. HDMI Audio

Optical Audio

I’ve had the chance to use both optical audio and HDMI audio with my projector, and I can share some insights to help you decide which one might be better for your setup.

1. Optical Audio


  • Clear sounds.
  • Zero interference, no annoying buzzing.


  • Mostly limited to stereo sound.

2. HDMI Audio


  • Top-notch audio quality even supports advanced formats.
  • Combines audio and video in one cable, simplifying setup.


  • Sometimes, I’m picky about compatibility.

Which One’s Better?

If you want straightforward and clear sound without fuss, go for optical audio. If you’re an audio enthusiast and have HDMI-ARC support, HDMI audio offers a premium experience.

I added the 8mm forum link here to ensure that your understanding remains clear. My aim is solely to help solve your problem.

Popular Projectors with Optical Audio

I’ve had the chance to explore some popular projectors that come equipped with optical audio, and I want to share my experience with you. Here are a few that stood out:

Epson Home Cinema 2150

Epson Home Cinema 2150

This projector is like having a mini cinema at home. The optical audio ensures that every movie night feels like a blockbuster. It’s user-friendly and brings a crystal-clear picture to your screen.

BenQ HT2050A

BenQ was impressed with sharp visuals and optical audio, offering a front-row concert experience with vibrant colors and amazing sound.

Optoma HD27HDR

Optoma’s projector creates a whole new world with optical audio, perfect for movie enthusiasts seeking depth in their home theater experience.



LG’s projector, a futuristic marvel, delivers clear and immersive sound through optical audio, ideal for tech lovers seeking top-notch quality.

ViewSonic PX747-4K

ViewSonic’s 4K projector, paired with optical audio, provides stunning visuals and crisp sound, elevating your viewing experience.


Projectors with optical audio are a fantastic choice for anyone who loves home theaters. They give you super clear sound and make your movie nights even better. If you want to upgrade your setup, getting a projector with optical audio is a smart move.



Fernando Shrader

Hey, It’s me, Fernando Shrader. I’m the creator of this website. You might wonder why I’ve created this blog and what’s the difference between Visual Finds and other online blogs. As a professional technician working for the last 8 years with projectors, I though this is the right time to share what I’ve learned in this journey with an online audience so they can see what I’m doing and how they can solve their problems! Happy Learning!