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Monoprice 8320 IEM Reviews

Positive Reviews


Excellent for the money


Pros: Great sound, once broken in the mids are very clear.

Cons: You need to burn in these headphones, otherwise they sound flat.

I bought my first set of 8320 two years or more back. They were very flat in the beggining then someone sugested these should be burned in for a few days with white noise. An old cell phone and white noise generator helped break these things in. Man o man what a difference. Made my bose IEM look like dollar store headphones. Sound is a relative thing IMHO just like taste in food. Some like certain foods more or less. I stopped buying other types of IEM's. Simply put these are the most durable IEM's I have ever had, once you perform some choice upgrades they can be awesome.   I wore these for more than 2 years daily for at least 3 hours a day. They have never let me down.  ...
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Excellent for the Price, amazing sound


Pros: Great sound, clarity and price of item

Cons: Tangle prone cord

I read reviews on this and I said let me try this out, for $10 I couldn't lose. This surpassed all of expectations for a $10 IEM. I am going to purchase a set for my wife, she was also blown away by the sound.

A $7 Beast


Pros: Unheard of sound quality and build quality at its price

Cons: Not the most isolating IEMs.

Allow me to preface this by saying that I have way more experience with headphones. The only IEMs I've ever owned before this were some cheapie $20 Sony IEMs, the MeElec CW31s, and the MeElect M9-BK. I've sold every IEM I've owned before this one, mostly because I felt like they never got any head time compared to my full-sized cans.   The packaging for the 8320 was about was minimalist as you can get -- there were the IEMs with inserts already on, no alternative inserts, no box, just a small plastic bag.    The design felt pretty solid, especially for a headphone of its price. The clothed cable was a nice touch and felt like a definite step up over typical cables...
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Negative Reviews


Perplexed by their reputation--these are cheap, and sound awful


Pros: None

Cons: Cheaply made, gaudy looking, terrible sounding

I got some of these based on their crazy-good reputation. Even for the $6 I paid I feel ripped off. Worst pair I can remember. What in the world is everyone talking about? These are so gaudy looking, and feel cheaply put together. I could overlook those things if they sounded like everyone says. But they don't. I can't remember disliking the sound quality of an IEM this much. These are just awful. I feel like I am in a Twlight Zone with these things. Their reputation can't be real. No amount of "breaking in" will fix this garbage. They were six dollars, and sound like one dollar. 



Pros: Clear sound. Cheap.

Cons: No bass. Weak subs.

First off, I got the 9963's, because there were lots of comments about how it's the better deal. Got these because of all the head-fi rave, but they sound mediocre to me at best. Honestly, I'm not audiophile, and my hearing has been getting noticeably worse as of late, but these sound no different from my beat up MDR-J10s. Could be just me, but I was really disappointed after all the hype. I felt NO punch from the bass, and the build quality is no different than those mdrs. The driver enclosure is big on me (and I have pretty average size ears), hurts because of the stupid sharp ridges on the outside (I'd file it down, if I cared more about it. I nearly tossed it though), and the cable...
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Pros: None.

Cons: Sound irredeemably awful with voices and natural tones. Left vs. Right drivers very unbalanced.

Purchase and Receipt: My Shure SE215 were stolen last week and I wanted a very cheap temporary replacement with over the ear cable routing. I have seen the hype and the hand waving and smelled the BS, but also noticed some reasonable people say some reasonable things about these so thought they would be worth a try. I bought these on Amazon UK from the Monoprice UK marketplace seller (fulfilled by Amazon). They cost £5.31 which at the moment is US $8.23. Delivery was free. They arrived boxed, with medium size tips attached and a small packet containing one pair each of small and large silicone tips. The model number is MEP-933 and these are the metallic looking style with fabric...
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More Reviews


Cheapest Hi-Fi IEM


Pros: Sounds like Hi-Fi IEM Tight bass, great instrument separation (even for $30-50 IEM) Very Detailed Highs, very fast

Cons: FIT IS HORRIBLE very boring mids

Just want to explain one thing. In my opinion, the reason this IEM is receiving so much praise is it really sound Hi-Fi  It somewhat has lots of elements an audiophile looks for such as speed, positioning, instrumental separation and a punchy but tight bass, thus, making it what we might consider the Cheapest Hi-Fi IEM which, in my opinion, does fit the name of the 8320.    Warning  as far as my experience went, I would suggest you all leave the other monoprice products alone. I ordered 3 other IEM/earbuds and none of them was even able to touch the 8320's shadow, not even the one that was almost double the price of the 8320.

Exceptionally good for the price IF you can get a seal


Pros: mids are fairly well detailed, especially for the price, headphone is also surprisingly detailed (and bright) which leads to significant fatigue.

Cons: Bass extension if rather low, you can hear it, however don't expect much visceral impact

I've been a headfi stalker for many, many years, joining when the ER4 and whatever Shure or UE equivalent were just accepted as king, in fact the single most expensive thing I ever bought was with my own money in high school was a pair of brand new ER4P's. With the exception of the custom UE10's, these were basically the most highly regarded IEM or even headphone/earphone, this side of an Orpheus at the time.   However this is the first time I've felt compelled to post a review as by and large I think my hearing has deteriorated (I became an attack helicopter pilot in the U.S. Army for several years, the combination of turbine engines are 5.56 just ruined my hearing, and as such...
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Probably the best IEM under $10


Pros: Great clarity, looks interesting

Cons: Lack of bass, lots of microphonics, easy to tangle

Hey Head-fi,   The 8320 have a lot of hype, but there are several aspects of it that I can't help but dislike. However, if you can look past these issues then it's really a very nice IEM.   Here's my review:   To sum it up: There's a surprising amount of clarity, though instrument separation isn't the best. I felt that there was a distinct lack of bass (this could possibly be attributed to an improper seal, though I was under the impression that they were sealed adequately.). Comfort is a bit of an issue, as the top of the 8320's dig into my ear a bit. Microphonics are strong with this one (and they leak more sound than would be expected), but the mids and highs...
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Harry Mudd

Considering the price these 'phones are the greatest value in audio I have ever found.


Pros: Sound can be excellent, depending on the source. Price is the best value to be found.

Cons: Fit and seal can be difficult. Cord is kind of strange, looks GREAT but is actually kind of stiff and kinky. Needs a neck slider.

I bought these cheap 'phones because of all the hype I saw on Head-Fi. The hype is so well deserved that I registered to Head-Fi just to add my weight behind these earphones! I use these on my Sansa Fuze+ player and they sound absolutely excellent! With a good seal, which admittedly is difficult to get, the base can rattle your eyeballs....... NO KIDDING...... I was amazed.   My gold standard for "phones is the Koss Porta-Pro, And the various formats using that same drivers. On my Sansa Fuze+ the Porta Pros sound BREATHTAKING.... But I actually prefer the Monoprice over the Porta-Pros. There is an over-all pleasing and satisfying quality to these "phones that is difficult to...
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Not bad for a cheap set


Pros: better than the average iem that i got with my Cowon D20 and C2

Cons: For the price none reallly

Bought these just to see if the hype was justified, and yeah I think it is...

I can't believe this cheap little thing sounds so good.


Pros: Great sound quality, price, tight bass

Cons: none

Exceptional sound quality, tight bass, engaging highs and is a nice all rounder. Also found that a headphone amp (FiiO E10 in my case) makes this little guy shine. Great value is what I expect from Monoprice and that is exactly what I got. Lacks extension both in highs and lows but can't really complain for the price.

Great budget headphone, but quite harsh


Pros: Decent SQ for price, fairly nice cord

Cons: Build quality, huge clunky body, very harsh sound

I got these for ~$10 online. I must say the first thing I noticed was the shoddy build quality. However, considering the asking price and the decent sound quality, this is really nitpicking. The cable is actually decent enough, especially for the price, being a braided sort of fabric.  On to sound quality! These things sound incredible compared to stock earbuds. The bass is very present and strong, punchy even, but feels cold and kind of harsh in places. Sub-bass is very good for a headphone in this price range, as long as the seal is perfect. The mids feel recessed, almost drowned out by the bass in some songs.  Highs are fairly detailed but sound tinny and harsh,...
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Good Sound, Lousy Fit


Pros: Best sounding IEMs under $30

Cons: Could never get a good fit

I could never get the 8320s to fit right.  I put on smaller tips (helped a little), put the cord over my ears, in front of my ears, twisted the bud...my ears just aren't big enough.   The 8320s suffer mostly from a bizarre design.  If Monoprice would put the same guts into a standard, straightforward bud I would buy them in an instant.  Soundwise, they are on par with UE SuperFi 4s and MEElectronics M9P, but with larger soundscape.  All of the instruments are very distinctive, even on crappy 192 AAC.  Isolation is poor with the stock tips, better with smaller tips, not great overall.   I wanted to like these so much, but I can't stand wearing...
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Worth the fitment ritual


Pros: amazing soundstage, mids

Cons: have to plan in advance to wear them

Awkward fitment, but pleasant sound.  Good control of microphonics, even without wearing cord up (only really one way to wear it).  R Ch lost trebel after 10hrs of burn in!   2nd pair.  These don't isolate that well, but super wide soundstage, great detail, and suitable amount of bass that extends well into the deep.  Very fun to listen to. THese are definitely mid centric, maybe even bordering on bright.  Bass, as said before is there, even with a good seal, maintains its backstage presence.  Mids and treble are clear with great detail and that superwide soundstage.  Only the awkward fitment, difficult sealing, and de-emphasis of bass...
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Pros: detail and air

Cons: fit

this little acorn has a pretty honest and balanced sound that is musical when used at low volume. The problem for me is the sound tube is too large and uncomfortable. These also need an eq boost in the low mids to fill out the sound and there is a uneven-ness somewhere in the mids that can be distracting.
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