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USB Isolator Full Speed Only, Does Not Support USB High-Speed

3.5 3.5 out of 5 stars 59 ratings
Brand HiFimeDIY
Number of Ports 1
Item Package Quantity 1
Unit Count 1.0 Count
UPC 028672061198

About this item

  • PLEASE CONTACT US BEFORE BUYING THIS SO WE CAN CHECK IF IT WILL WORK WITH YOUR DEVICE!
  • USB FULL SPEED ONLY (NOT HIGH SPEED)
  • DOES NOT WORK WITH HIGH RESOLUTION DACs Supports max two channels @ 96kHz/24bit. Supports USB Full speed 12mbps only, not USB High speed 480Mbps.
  • DOES NOT WORK WITH DEVICES REQUIRING MORE THAN 200mA! Power hungry audio devices with phantom power mic inputs will not work.
  • DOES NOT FIX ALL NOISE ISSUES!
› See more product details

Product information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

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HifimeDIY USB Isolator Full Speed Only, Does Not Support USB High-Speed

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Customer reviews

3.5 out of 5 stars
59 global ratings

Customers say

Customers have mixed opinions about the USB port recognition of the adapter. They mention it doesn't work with their computer and the same issue occurs on every USB port. Opinions differ on its functionality and noise reduction.

AI-generated from the text of customer reviews

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Value for moneyFunctionalityNoise reductionUsb port recognition
4 customers mention "Value for money"4 positive0 negative

Customers appreciate the value of the adapter. They say it's worth every penny and a good cheap fix.

"...This thing is worth EVERY PENNY." Read more

"...This saved me so much money by not having to take it to a specialist to have the ground loop troubleshooted and repaired and/or purchasing a new..." Read more

"...Good cheap fix." Read more

"Small, Affordable and Simple..." Read more

26 customers mention "Functionality"15 positive11 negative

Customers have mixed opinions about the functionality of the product. Some mention it works amazingly well, while others say it doesn't work and hinders some USB devices from working properly.

"...decided to try this isolator to completely isolate it and it works amazingly well...." Read more

"...Very disatisfying, I recommend shelling out several hundred dollars for a real isolator." Read more

"...It will not be compatible. However, I think this is a decent product if paired with the correct accessory...." Read more

"...I believe the unit is either faulty or the design is poor. I have emailed PureSoundShop about the issue and am waiting for a response." Read more

22 customers mention "Noise reduction"15 positive7 negative

Customers have mixed opinions about the noise reduction of the electronic adapter. Some mention it gets rid of digital whine in the audio input/output unit and completely cleans up the audio signal. Others say the USB/12V power in their vehicle was very noisy and without this device it was completely impossible to enjoy the sound with all the pops and hisses.

"...Complete silence, all of the noise is gone, even with the DAC powered off of the USB bus (and on a 4 foot USB extension at that)...." Read more

"Does what you'd expect. Used to eliminate noise on audio feed caused by a shared ground fault in a Lexus..." Read more

"...Very awesome, just plug and play. No more annoying high pitch noise...." Read more

"...Under ordinary conditions, I can't hear any noise when passing thru this isolator - its only when cranking up the volume that a minor ambient hiss..." Read more

4 customers mention "Usb port recognition"0 positive4 negative

Customers are dissatisfied with the USB port recognition of the adapter. They mention that it doesn't work on every USB port.

"...Unfortunately, just like the previous reviews, the device cannot be recognized. I've tried a USB mouse and not even it can be recognized...." Read more

"...I had to return this item because my computer would not recognize it when linked to a Focusrite Scarlett Solo mixer...." Read more

"...It's the same issue on every USB port, and I've even removed the hidden drivers and reinstalled them...." Read more

"Anything connected to it will not be recognized by the computer. Bad deal! Better to look at something else to solve your noise problem." Read more

DOES NOT WORK FOR BLUE YETI MICROPHONE
1 out of 5 stars
DOES NOT WORK FOR BLUE YETI MICROPHONE
I was told this would work for the blue yeti. I plugged it in, guess what? I didn't work, after trying several usb ports and type cables. This product is a disappointment, I still hear the buzz sound coming from the ground loop. What you're seeing in the screenshots, is sound coming from my mic, just from the ground loop buzz sound alone
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Top reviews from the United States

CalcProgrammer1
5.0 out of 5 stars Awesome for noisy DAC
Reviewed in the United States on June 1, 2015
Verified Purchase
Bought this to go along with my HiFiMeDIY Sabre USB DAC. The DAC gives me a high pitched squeal and some clicking sounds when I'm gaming and my GPU is running hard. I've tried isolating the power supply alone by splicing external 5V power into it. Solved some of the noise, but did not get rid of it entirely due to the ground connection. I finally decided to try this isolator to completely isolate it and it works amazingly well. Complete silence, all of the noise is gone, even with the DAC powered off of the USB bus (and on a 4 foot USB extension at that). My speakers are Monoprice 5" studio monitors along with a Monoprice 12" sub. These monitors are quite sensitive to noise on the line considering my headphones (ATH-M50x) did not exhibit noise even without the isolator or external power supply. I'm running the DAC in 96KHz/24-bit mode just fine.
2 people found this helpful
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jmx2525Ght
1.0 out of 5 stars Oh my I should have picked something better.
Reviewed in the United States on May 5, 2014
Verified Purchase
I was torn over the high price of USB isolators. So I chose this one, which cost less then half of what's out there. I needed an isolator for interfacing with a microcontroller programmer/emulator that I use to develop embedded code on prototype hardware so I don't accidentally blast my computer (excessive voltage or EMI). Unfortunately, just like the previous reviews, the device cannot be recognized. I've tried a USB mouse and not even it can be recognized. The only thing that works are USB memory sticks! There are two issues. 1) The internal isolated power supply is very weak, so it won;t work with things requiring moderate power from the USB like mice. 2) There are data rate limitations, and the isolator IC inside seems to be configured for the lower of two speed options. Very disatisfying, I recommend shelling out several hundred dollars for a real isolator.
7 people found this helpful
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Alfred Broderick
5.0 out of 5 stars OMG! Works perfectly!
Reviewed in the United States on January 4, 2015
Verified Purchase
I am using it between a DELL XPS 15 running Windows 8.1 (running PodAlive!) to a Line6 POD 2.0 MIDI interface.
The audio out from the Line6 POD is usually perfectly clear when the PC is disconnected, but horrible noise is introduced when the PC is attached to the USB-to MIDI interface.

I put this device between the computer and the Line6 Pod (inline with the USB-2-MIDI cable) and the noise is SILENCED!
(Note: the device does not ask for (or load) any drivers, it appears to pass thru to the computer whatever USB device it is connected to.)

This thing is worth EVERY PENNY.
One person found this helpful
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Michael Benson
2.0 out of 5 stars I feel like this should be stated really large and explicitly on ...
Reviewed in the United States on February 12, 2017
Verified Purchase
DONT BUY IF YOU HAVE GROUND LOOP ISSUES WITH FOCUSRITE/SCARLET

I bought this because I thought it would help with the ground loop issue I have between my 2016 Razer blade (gtx 970) -> Focusrite Scarlet 2i2 -> Rokit 5's but then it didn't work and after going on their site and reading through the FAQ i found out the Scarlet is one of the only interface cards that doesn't work with it. I feel like this should be stated really large and explicitly on Amazon since the 2i2 is one of the most popular interfaces out there. The Razer Blade is an awesome laptop but unfortunately it has this terrible ground loop issue when plugged in and will drive you mad after a while. I literally cant make a track without hearing buzzing from my right speaker unless I unplug the power. Hoping these guys will let me send it back for a refund.

TLDR: DON'T buy if you're using a Focusrite Scarlet Audio Interface
10 people found this helpful
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Raul Ocampo
5.0 out of 5 stars If you get weird static, pops or hum from your USB powered devices you need this
Reviewed in the United States on August 27, 2024
Verified Purchase
Worst case scenario: USB powered speaker connected to USB A port, audio connected through 1/8" stereo to computer
Without USB isolator I got pops, hiss and hum
With USB Isolator only the music/audio
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Boise Reader
3.0 out of 5 stars Do not use this for a high speed stream.
Reviewed in the United States on February 4, 2016
Verified Purchase
Be careful to make sure the instrument you are tying to this instrument is not "high speed". It will not be compatible. However, I think this is a decent product if paired with the correct accessory. I had to return this item because my computer would not recognize it when linked to a Focusrite Scarlett Solo mixer. I hard to return it, but the return process was smooth with no hassles.
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AJ
4.0 out of 5 stars Does what you'd expect.
Reviewed in the United States on September 25, 2015
Verified Purchase
Does what you'd expect. Used to eliminate noise on audio feed caused by a shared ground fault in a Lexus (instead of opting to pay the dealer hundreds to essentially do the same thing)
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D. BOWNE
5.0 out of 5 stars This USB Isolator is awesome!
Reviewed in the United States on July 29, 2014
Verified Purchase
This thing is exactly what I have been looking for. I could not find anyone else that made one of these for this price. I was trying to to use an A2DP device in my vehicle for media streaming. The USB/12V power in vehicle was very noisy and without this device it was completely impossible to enjoy the sound with all the pops/hisses and alternator whine.

I was very skeptical that the USB Isolator would be able to help with all the noise, to my surprise it removed 100% of the ground loop sounds from my audio stream. This saved me so much money by not having to take it to a specialist to have the ground loop troubleshooted and repaired and/or purchasing a new car deck that had A2DP built-in AMAZING! AMAZING! AMAZING!
!
4 people found this helpful
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Top reviews from other countries

Kindle Customer
1.0 out of 5 stars Don't waste your money or time
Reviewed in Canada on February 6, 2017
Verified Purchase
useless...
Tried to return it for a refund. but no response.
Sure, it may (or may not) isolate the ground. But nothing plugged in to it will be recognized on your Mac/PC
Don't waste your money or time on this useless device...
One person found this helpful
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