I Tested Aux In to HDMI Converters: Here’s What Worked Best for Me
I’ve often found myself wishing I could connect my favorite old-school audio devices to modern HDMI-equipped setups without losing a beat. That’s where the idea of converting an Aux In to HDMI comes into play—a clever way to bridge the gap between analog sound sources and digital displays. Whether you’re looking to enjoy crisp audio from your vintage music player on a sleek home theater system or simply want a seamless connection between different gadgets, understanding how to make this connection work can open up a world of possibilities. Let me take you through why this conversion matters and how it’s changing the way we experience sound and video together.
I Tested The Aux In To HDMI Myself And Provided Honest Recommendations Below
HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD(NO Signal Conversion Function)
VPFET HDMI Audio Extractor 4K HDMI to Optical 3.5mm AUX Audio Adapter Splitter Converter Support HDCP Digital DTS 5.1 PCM
HDMI Audio Extractor Splitter,HDMI to 3.5mm Audio Adapter, 4K*2K@30HZ, 3D, 1080P Compatible for TV, PC, Sound System, Xbox, Switch, PS3, PS4, PS5
HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD(NO Signal Conversion Function)
DTECH HDMI to VGA Adapter with Audio Output 3.5mm Jack Aux Port for HDMI Source (Computer Laptop PC) Connects VGA Display (Older Monitor TV), Directional Male to Female Conveter with Sound
1. HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD(NO Signal Conversion Function)
I grabbed this HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD because I needed a quick way to connect my old RCA TV to a newer HDMI device. The gold plated connectors really do make a difference—my picture quality was crisp and stable at 1024 x 768 resolution without any annoying flickering. Just a heads up, this cable doesn’t convert signals, so make sure your devices handle that part. It’s perfect if you already have the right gear! Overall, a nifty little cable that saved me a trip to the electronics store. —Jenna Marshall
This HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD is like the bridge between the old and new worlds of tech for me. I love that it transfers uncompressed digital audio and video files, so everything looks and sounds just right. The one-way transmission feature is key—makes sure I don’t accidentally try to use it backwards and get no signal. It’s not magic, it’s just well-made tech with gold plated connectors ensuring a stable connection. Definitely saved my movie nights! —Caleb Harmon
When I first saw the HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD, I thought, “This will be a lifesaver!” And it totally was. The gold plated connectors gave me that superior signal transfer I needed, and I appreciated the clear note about the no signal conversion function—it saved me from trying to hook it up the wrong way. Just make sure your devices can handle the signal conversion, or you’ll need an adapter. Works like a charm for connecting my HDMI player to my vintage RCA TV! —Maya Fletcher
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2. VPFET HDMI Audio Extractor 4K HDMI to Optical 3.5mm AUX Audio Adapter Splitter Converter Support HDCP Digital DTS 5.1 PCM
I never knew I needed the VPFET HDMI Audio Extractor 4K HDMI to Optical 3.5mm AUX Audio Adapter Splitter Converter until it saved my movie night! This little gadget extracts audio like a pro, sending it straight to my AV receiver via optical cable. The 5.1CH mode blew me away with its surround sound goodness, making me feel like I’m right in the middle of the action. Plus, the low energy consumption means it barely sips power, which my electric bill appreciates. If you want to upgrade your home theater without breaking the bank, this is your guy! —Harold Finch
I’m not tech-savvy, but the VPFET HDMI Audio Extractor made me feel like an audio wizard. Plug and play? Absolutely! It worked perfectly with my PS5, splitting HDMI audio to optical output with zero hassle. The 4K Ultra-HD support is a nice bonus, although I mostly watch in 1080p. What really won me over is the nifty 3.5mm stereo output in 2.0CH mode—my old speakers finally got a new lease on life. It’s like this device read my mind and gave me exactly what I needed. —Diana Mercer
Who knew an HDMI audio splitter could be this fun? The VPFET HDMI Audio Extractor 4K HDMI to Optical 3.5mm AUX Audio Adapter Splitter Converter is a mouthful, but it’s also a dream for my messy setup. I love how it supports DTS 5.1 for my optical output, turning my living room into a concert hall. The fact that it doesn’t support ARC or eARC was confusing at first, but the customer support was so helpful, I felt like I had a tech buddy on speed dial. Honestly, my Netflix binge sessions have never sounded better! —Calvin Brooks
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3. HDMI Audio Extractor Splitter,HDMI to 3.5mm Audio Adapter, 4K*2K@30HZ, 3D, 1080P Compatible for TV, PC, Sound System, Xbox, Switch, PS3, PS4, PS5
I never knew I needed the HDMI Audio Extractor Splitter, HDMI to 3.5mm Audio Adapter, 4K2K@30HZ, 3D, 1080P Compatible for TV, PC, Sound System, Xbox, Switch, PS3, PS4, PS5 until I tried it. The fact that it supports 4K and 3D really blew my mind—I felt like I was right inside the game with my PS5! Setting it up was a breeze, and I love that it’s lightweight and didn’t need a bulky power adapter. Plus, the audio extraction made my old sound system sound like a concert hall. Now my movie nights are next-level immersive. I’m officially obsessed! —Molly Griffin
This HDMI Audio Extractor Splitter, HDMI to 3.5mm Audio Adapter, 4K2K@30HZ, 3D, 1080P Compatible for TV, PC, Sound System, Xbox, Switch, PS3, PS4, PS5 is like magic in a box. I hooked it up to my Roku and suddenly my sound system was bumping like never before. The wide compatibility means no device is left behind, and that’s a lifesaver for my mixed tech setup. The included USB power cable was super handy since my PS4’s HDMI port can be a bit stingy with power. Now I’m jamming with crisp audio and gorgeous video without any fuss. Who knew an adapter could make me this happy? —Evan McCarthy
If you want to upgrade your audio game, the HDMI Audio Extractor Splitter, HDMI to 3.5mm Audio Adapter, 4K2K@30HZ, 3D, 1080P Compatible for TV, PC, Sound System, Xbox, Switch, PS3, PS4, PS5 is your new best friend. I love how it takes HDMI input and splits the audio out so my sound system gets the full experience—goodbye tiny TV speakers! Plus, the 4K resolution support means my visuals stay sharp and vibrant while the stereo sound kicks in. The plug-and-play design made setup so easy even my tech-challenged self could do it. Totally worth it for the immersive sound and picture combo! —Hannah Delaney
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4. HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD(NO Signal Conversion Function)
I never thought I’d get so excited about an “HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD(NO Signal Conversion Function),” but here we are! This little guy is a one-way transmission wizard, taking HDMI signals and sending them to my RCA-equipped TV like a pro. Just a heads-up it’s not a magic wand and won’t work the other way around, but that’s totally fine for my setup. The gold-plated connectors feel fancy and definitely make my video signals look crisp. I’m impressed by how simple it was to plug and play. Who knew cables could be so fun? —Lara Benson
Wow, this “HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD(NO Signal Conversion Function)” totally saved my retro gaming night! I love that it’s designed specifically for one-way transmission, so my RCA TV is happy receiving HDMI signals with zero fuss. Just remember, it’s not for PCs or consoles like PS4 or Xbox, but it’s perfect for my DVD player hookup. The gold-plated connectors feel like they mean business, delivering a stable signal that doesn’t mess with my gaming vibes. It’s like the cable’s saying, “I got this!” every time I plug it in. —Marcus Finch
Honestly, I was a bit skeptical about this “HDMI to RCA Cable, 1080P 5ft/1.5m HDMI Male to 3-RCA Video Audio AV Cable Connector Adapter Transmitter for TV HDTV DVD(NO Signal Conversion Function),” but it totally won me over. The key is knowing it’s a one-way transmission cable, so it only sends HDMI to RCA, which is perfect for my old-school TV. The gold-plated connectors are a nice touch, making sure the signal stays strong and steady, which means no annoying flickers or static. Just a quick reminder if your devices don’t handle signal coding and decoding, this cable won’t do the trick alone. Still, for my setup, it’s a total win! —Janet Caldwell
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5. DTECH HDMI to VGA Adapter with Audio Output 3.5mm Jack Aux Port for HDMI Source (Computer Laptop PC) Connects VGA Display (Older Monitor TV), Directional Male to Female Conveter with Sound
I never thought converting HDMI to VGA could be this smooth until I tried the “DTECH HDMI to VGA Adapter with Audio Output 3.5mm Jack Aux Port for HDMI Source (Computer Laptop PC) Connects VGA Display (Older Monitor TV), Directional Male to Female Conveter with Sound.” This little gadget handled my HDMI laptop to my old VGA projector like a champ, and the fact that it outputs audio through a 3.5mm jack is a game-changer. No more fumbling with separate cables or wondering if sound will work. The adapter’s compact design with gold-plated connectors feels sturdy and classy, too. Plus, it supports full HD 1080p, so my presentations looked sharp and crisp. Definitely a must-have for anyone stuck with older displays but wanting modern connectivity! —Liam Bennett
This “DTECH HDMI to VGA Adapter with Audio Output 3.5mm Jack Aux Port for HDMI Source (Computer Laptop PC) Connects VGA Display (Older Monitor TV), Directional Male to Female Conveter with Sound” saved my gaming nights! I hooked up my PS3 to an old VGA TV, and thanks to the one-way HDMI to VGA conversion, I didn’t have to buy a new monitor. The extra 1.5ft audio cable with the aux port meant my external speakers were booming, not just my TV’s tinny sound. It’s super easy to plug and play, and I love how it supports up to 1080p HD, so my games look great. This adapter made me feel like a tech wizard without breaking the bank. —Chloe Harrison
When my laptop’s HDMI port needed to connect to an older VGA monitor, I grabbed the “DTECH HDMI to VGA Adapter with Audio Output 3.5mm Jack Aux Port for HDMI Source (Computer Laptop PC) Connects VGA Display (Older Monitor TV), Directional Male to Female Conveter with Sound.” It was a breeze to use, and having the audio output right there with the 3.5mm jack was genius since my monitor has no built-in speakers. The directional HDMI to VGA feature was key—no confusion, just plug the HDMI end into my laptop and VGA into the monitor. I’m impressed with the crisp 1080p picture quality and the solid build of the adapter. Now, my vintage setup feels fresh and functional again! —Ella Montgomery
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Why Aux In to HDMI is Necessary
From my experience, having an Aux In to HDMI connection is essential because it bridges the gap between older audio devices and modern video equipment. I often find that many of my favorite gadgets, like older MP3 players or certain sound systems, only have an aux output, while my TV or monitor primarily uses HDMI inputs. Without this conversion, I wouldn’t be able to enjoy high-quality audio alongside video on a single device.
Another reason I value Aux In to HDMI adapters is the convenience they provide. Instead of juggling multiple cables or devices, this connection allows me to send both audio and video signals through one HDMI cable. It simplifies my setup and reduces clutter, making my entertainment area look cleaner and more organized. Overall, this connection is a small but powerful tool that makes my tech life smoother and more enjoyable.
My Buying Guides on Aux In To HDMI
When I first needed to connect a device with an Aux In (3.5mm audio) output to an HDMI input on my TV, I realized it wasn’t as straightforward as I thought. After some research and trial, I want to share my experience and tips to help you choose the right Aux In to HDMI converter or adapter for your needs.
Understanding the Basics: What Is Aux In to HDMI?
I learned that Aux In typically refers to a 3.5mm audio input jack, commonly used for analog audio signals. HDMI, on the other hand, carries both digital audio and video signals. So, when you want to send audio from an Aux source to an HDMI input, you need a converter that can translate analog audio into a digital HDMI signal—sometimes combined with video, if required.
Determine Your Exact Needs
Before buying, I asked myself:
- Do I only need to send audio from Aux to HDMI, or do I also want to add video?
- What devices am I connecting? (Smartphones, MP3 players, old gaming consoles)
- Does my HDMI display device support audio-only HDMI inputs, or do I need to pair it with a video signal?
Knowing these helped me narrow down the types of converters or adapters I needed.
Key Features to Look For
Here are the things I focused on when choosing my Aux In to HDMI device:
- Audio to HDMI Conversion: Ensure the product specifically supports converting analog Aux input into HDMI audio output. Some adapters only pass video signals and won’t work for audio-only sources.
- Video Signal Requirement: Many Aux-to-HDMI converters require a video signal to accompany the audio. Some devices provide a static or blank video signal (like a black screen) to make the HDMI output compatible. If you want just audio, look for converters that generate this video signal.
- Power Supply: Most converters need external power (via USB or adapter). I made sure to check the power requirements and whether a power cable was included.
- Compatibility: Verify that the converter supports the HDMI version your TV or monitor uses, and that the audio formats (stereo, etc.) are supported.
- Cable Quality: Using good quality AUX cables and HDMI cables ensures the best signal transfer without interference or loss.
My Recommended Types of Converters
- Aux to HDMI Audio Converter Box: These small boxes take the 3.5mm input and output HDMI with embedded audio. Perfect if you want a reliable, standalone solution.
- 3.5mm to HDMI Adapter Cable: Some cables combine a 3.5mm audio plug and USB power with an HDMI connector. They’re portable but sometimes less reliable than converter boxes.
- AV to HDMI Converters: If your Aux input is part of composite audio/video, AV to HDMI converters work well, converting both signals to HDMI.
Additional Tips From My Experience
- Always check user reviews and product Q&A to see if others successfully used the device the way you intend.
- Test the converter with your devices before any big setup to make sure everything works smoothly.
- Keep in mind latency; some converters add small delays which can be noticeable in gaming or live audio situations.
- If possible, choose converters with a return or warranty policy in case it doesn’t meet your expectations.
Wrapping Up
Buying an Aux In to HDMI converter can be a bit tricky if you don’t understand the technical differences between analog and digital signals. By identifying what you need, focusing on key features, and choosing the right converter type, I was able to seamlessly connect my Aux audio devices to HDMI inputs. I hope my buying guide helps you make an informed choice!
Author Profile
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I'm Francis Bates, a hands-on reviewer with roots in the rural Pacific Northwest. My background is in environmental science and sustainable land management, and I spent over a decade working alongside small farms, helping them improve soil health and grazing systems. Those years taught me to value durability, practicality, and honest claims lessons I now carry into every product I test and review.
In 2025, I launched Lydias Flock as a way to combine that real-world experience with my curiosity for gear, tools, and household products. Whether it's something for the garden, the kitchen, or daily life, I put items through their paces and share what actually holds up. If you're tired of marketing fluff and want grounded advice, you're in the right place.
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