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EZAudio D4 Review - A stunning $10 pair of earbuds

The D4 headphones are an absolute gem for the bargain asking price of only $10. Will they blow you away will earth shaking bass no. Will tickle your ears with soothing vocals nope. Will they allow you to hear beautifully rendered sparkling highs not really. Well then why are these things so special. I'll tell you why they price you won't find anything with this great of sound for this low of a price. Before I dive into the review there is one thing I need to get out of the way. The stock ear tips are trash absolutely horrible and the dude who decided to use them should be fired. To really get the best out of the earbuds (or earphones whichever you call them) you'll want some wide bore foam tips. Luckily a single set on Ali will only set you back about 80 cents. The reason you want to do this is you want something that covers the bass vent at the bottom and is not narrow to keep it from sounding boomy. 

If you look at the picture to the left you can see the small vent hole at the bottom of the nozzle this should be almost but not completely covered for best results. After the stock tips are changed out these earbuds come to life so before you pass them off as dull sounding try some different tips. what I found was with the hole covered you get more bass but also a little more piercing treble. Smaller bore ear tips with the hole covered equals even more bass but it started to get bloated and there was some slight sibilance going on. So the key to the best sound out of these is finding a balance and only partially covering the vent hole helped that. That's the really cool thing about these is you can just buy a few dollars worth of ear tips to test and find whatever you like best

Highs:

With the wide bore foam tips these provided great sound quality in the high frequency range for their price point. There were some times when I noticed some slightly piercing treble but overall it maintained it's composure 97% of the time with only very occasional spikes.  Like I said before only covering the bass vent part way helped with this. They did deliver a nice sparkle in the highs and the frequency range was clearly defined with no noticeable muddiness of sound during listening. I think for the price they do an exceptional job handling the high frequencies. 

Mids:

Mids are pretty good they have a nice light and airy sound to them and women's voices really shine with these. Men's voices do tend to lack a very slight amount of the deepness I normally am used to but are still handled well. The imaging on these is fairly good with a good separation of the instruments. The sound stage is also well done nothing huge but for the price I wasn't expecting it. It's big enough I definitely don't feel that it's in my head but sometimes I do feel as if I'm in a smaller room. Overall though they conduct themselves well and deliver a nice sounding mid range. 

Lows:

Lows are done well but lack the really deep rumble you get may get from other IEM's. The bass is present with the vent covered but it sounds as if it comes from more of the mid frequency range of the lows than toward the bottom of the frequency range. I think the more mid centered lows is what causes it to lack the rumbling feeling other nicer IEM's provide. Still though for the price it gives me enough bass that I still have a good experience when listening to something bass heavy. I'm not expecting something that cost ten dollars to give me some earth shaking bass and these actually delivered very nice sounding bass for the price point.  I have to actually commend them for having a more mid centered low frequency for bass and not bleeding too much of it into the mid frequency range there is bleed but it doesn't at all ruin the mids.

Fit and quality:

For $10 the quality is pretty darn good. It's an earbud with an aluminum shell, comes with a carrying case, extra tips (trash but still they nice to have extras), and a clip. I mean you basically get 3 or 4 dollars worth of accessories with the headphones. That's pretty nice if you ask me. I was expecting them to be in a plastic bag for $10. Also the cable is braided and includes a mic on the cable. I don't usually get a  mic on my earbuds but there isn't an option for a pair without. They fit very well in your ears especially after putting foam tips on and they are nice and light so they feel good for long periods of time. I don't normally talk about noise isolation but these just don't really have any but they are earbuds so I wasn't expecting too much. 

Conclusion:

These are exception earbuds for someone on a really tight budget. With the stock tips they sound like trash and I wouldn't blame you for thinking you bought a pair of Walmart special earbuds. But before you go an throw them away try out some different ear tips. They really wake these things up and make them an excellent bang for your buck earbud.  For the price they do an exceptional job throughout the frequency range with only a few very small issues that can easily be overlooked due to the great price. Your going to pick these up and wonder how they only cost you $10 they are just absolutely amazing for the price.

Check prices:
AliExpress


*Disclaimer
All reviews are unbiased and all thoughts and opinions are mine and mine only. They are not influenced by outside sources basically if something is crap I'll say it's crap even if it was given to me! If something is provided as a review sample I will disclose that in the review.


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