I have received the ARIA as a part of the Vibro Labs ARIA Universal tour on Head-Fi that took part on August 2016. I have spent a week with the IEMs while maintaining ownership with the Shure SE846 and the Ultimate Ears Reference Monitors(UERM), using my own sources as reference.
Testing chain: PC/RWAK240(optical out/line out) > RSA Intruder/Mojo > IEMs. The music used are from various genres on Foobar2000 and streaming from Spotify Premium.

The Aria is Vibro Labs' premier IEM and flagship. Buyers can choose between various wood grains and can be had in universal or custom version with 3D printed shells. It is a quad armature design with an impedance of 15 ohms at 110db spl/mW and all handmade in Maine, USA.
Build and Accessories
ARIA
This loaner consisted of a very good Pelican 1010 case with a cleaning tool and a ton of comply IEM tips. Unfortunately, the stem of the Aria is a bit too big for me so putting it in with the smallest comply was a bit uncomfortable but I am able to get a good seal to go on with the review. As for design, the wooden faceplates look excellent in person and definitely one of the most unique styles in IEMs I’ve seen so far. The finish is very clean and smooth as well. On the other side with the vibro logo, there are some rough edges that you can see reflected on the inside but this may be because of the 3D printing that was done with it. Overall, I think accessories-wise, they are pretty generous.
SE846
The SE846 has an excellent build except for the stock cable going to crap after several months of use. The connectors are not exactly the best though some may prefer this over the typical 2-pin that the two IEMs have. It has a vast array of accessories like tips and filters, while supplying a cleaning cloth and pelican-style hardcase. Different countries may have packaging though, but most of the time I find that my accessories not really being used much. In terms of design, the drivers are neatly packaged through the see-through shell but there are known complaints about the drivers rusting or the plastic being foggy on the stem of the IEM. I’ve owned my 846s for almost 10 months now and I’ve been happy with them though I’ve never really compared the sound to other earphones.
UERM
I will skip the build entirely because it has been reshelled by InEarz before I received it. Source-wise I didn’t hear any hissing with the RSA Intruder or Mojo.

Sound Quality
ARIA
Source wise, I didn’t find any issues with matching and no hiss from any of my sources either. Bass on the Aria is a bit veiled, but no midrange bleed which is always a good thing. Bass extension is very clean while having adequate detail, balance on bass side is very good, I prefer this over the 846. In terms of midrange, there is a downward slope which can make a lot of instruments sound a little bit pushed back. EQ would perhaps fix this but as of using stock, it’s not good for midrange-centric genres. The treble has a slight hotness associated with it that’s almost sibilant but this can probably be associated with the midrange issue. Turning it down to actual listening volumes, treble is conclusively warm with sibilance. Using the Mojo, the issue is alleviated a slight bit but the issue can still be heard if you try to notice it. The only issue would I would find is that the slight sibilance is also amplified with this combo though not at unlistenable levels.
Recommended genres: Bass-centric genres, Hip Hop.
SE846
The 846 is extremely sensitive and it can hiss with a lot of different sources. Also, impedance matching is important because most sources affect how it sounds. Bass is well textured in which it has layers and detail with clean extension all throughout. There is no muddiness with it and soundstage is at a decent width. There is a slight discontinuity with the transition of the midrange and treble region which can make it a bit all over the place. The treble also has a slight peak which reminds me of the SE215’s in a less severe way but it can be something that can be overlooked. I say this in which it’s easy to blame the recording rather than it being an SE846 problem but switching songs, I can definitely hear the 846 doing this. I would also say that the 846 is similar to the LCD-X sound signature but both having different textures in bass. Treble and midrange are nothing to write home about but the IEM can be very forgiving. It’s an IEM you would use as a musical pair, doing well with v-shaped oriented genres without being extremely v-shaped. Overall, I think it is picky with sources but it is very fun and engaging.
Recommended genres: Top 40, Pop, EDM, Hip Hop.
UERM
The UERM has bass that’s reminiscent of the HD800 stock. It’s not overpowering yet there is enough of it to accommodate a believable performance in an acoustic setting. As for genres such as EDM, it’s a bit too bass-light. To visualize this, think of listening to EDM for an audience of 1. In terms of midrange and imaging, this is where the UERM truly shines. The UERM has enough air as an IEM and it is detail-oriented in which it’s like the HD800 in IEM form, without the extremely harsh treble issues with stock. I think the UERM can be a bit treble forward though I wouldn’t say that it’s as bright as an HD800 stock with let’s say, a schiit amplifier. My biggest criticism of the UERM is that it can sound thin at times (due to the forward treble), which leads it to be lacking in body that the 846 can give. To add to that, it can be revealing with bad recordings. One can also say it can be shouty at times which is one of my big criticisms for it. Going with this IEM though, you get very good detail retrieval that is ideal for midrange-centric genres.
Recommended genres: Acoustic, Classical, Jazz, Vocal-oriented genres.
Closing thoughts & addendum:
Personal preferences vary from person to person along with the genres that they listen to, so reviewers must try to be objective and detach themselves from these biases to give an unprejudiced review. This can be compensated by assessing a piece of gear with its characteristics while reproducing the same testing procedures for each sample. Some will prefer the ARIA, the SE846, or the UERM with fairly sound reasons. As the ARIA is the subject of this review, I think there is much potential to be had if the midrange was tuned more correctly as it was advertised when it was announced. I would say the Aria is ambitious, as it claims to be an all-around contender at a bargain price (“ARIA is a true flagship at entry level prices.”; verbatim from the website). While there is really no IEM that can do it all, I would disagree on the Aria being the heir to that be-all-end-all throne for now. At its price point, I feel like the asking price is a bit too high with other available options in the market like the ones from Noble, ’64 Audio, or even the Chinese IEM counterparts that are very hard to beat for the money. Nonetheless, I think the Aria has potential to be improved as giving proper tonality and sound signature balance would allow it to be more compatible with other genres to be rightfully lauded as a be-all-end-all IEM.
Testing chain: PC/RWAK240(optical out/line out) > RSA Intruder/Mojo > IEMs. The music used are from various genres on Foobar2000 and streaming from Spotify Premium.



The Aria is Vibro Labs' premier IEM and flagship. Buyers can choose between various wood grains and can be had in universal or custom version with 3D printed shells. It is a quad armature design with an impedance of 15 ohms at 110db spl/mW and all handmade in Maine, USA.
Build and Accessories
ARIA
This loaner consisted of a very good Pelican 1010 case with a cleaning tool and a ton of comply IEM tips. Unfortunately, the stem of the Aria is a bit too big for me so putting it in with the smallest comply was a bit uncomfortable but I am able to get a good seal to go on with the review. As for design, the wooden faceplates look excellent in person and definitely one of the most unique styles in IEMs I’ve seen so far. The finish is very clean and smooth as well. On the other side with the vibro logo, there are some rough edges that you can see reflected on the inside but this may be because of the 3D printing that was done with it. Overall, I think accessories-wise, they are pretty generous.
SE846
The SE846 has an excellent build except for the stock cable going to crap after several months of use. The connectors are not exactly the best though some may prefer this over the typical 2-pin that the two IEMs have. It has a vast array of accessories like tips and filters, while supplying a cleaning cloth and pelican-style hardcase. Different countries may have packaging though, but most of the time I find that my accessories not really being used much. In terms of design, the drivers are neatly packaged through the see-through shell but there are known complaints about the drivers rusting or the plastic being foggy on the stem of the IEM. I’ve owned my 846s for almost 10 months now and I’ve been happy with them though I’ve never really compared the sound to other earphones.
UERM
I will skip the build entirely because it has been reshelled by InEarz before I received it. Source-wise I didn’t hear any hissing with the RSA Intruder or Mojo.

Sound Quality
ARIA
Source wise, I didn’t find any issues with matching and no hiss from any of my sources either. Bass on the Aria is a bit veiled, but no midrange bleed which is always a good thing. Bass extension is very clean while having adequate detail, balance on bass side is very good, I prefer this over the 846. In terms of midrange, there is a downward slope which can make a lot of instruments sound a little bit pushed back. EQ would perhaps fix this but as of using stock, it’s not good for midrange-centric genres. The treble has a slight hotness associated with it that’s almost sibilant but this can probably be associated with the midrange issue. Turning it down to actual listening volumes, treble is conclusively warm with sibilance. Using the Mojo, the issue is alleviated a slight bit but the issue can still be heard if you try to notice it. The only issue would I would find is that the slight sibilance is also amplified with this combo though not at unlistenable levels.
Recommended genres: Bass-centric genres, Hip Hop.
SE846
The 846 is extremely sensitive and it can hiss with a lot of different sources. Also, impedance matching is important because most sources affect how it sounds. Bass is well textured in which it has layers and detail with clean extension all throughout. There is no muddiness with it and soundstage is at a decent width. There is a slight discontinuity with the transition of the midrange and treble region which can make it a bit all over the place. The treble also has a slight peak which reminds me of the SE215’s in a less severe way but it can be something that can be overlooked. I say this in which it’s easy to blame the recording rather than it being an SE846 problem but switching songs, I can definitely hear the 846 doing this. I would also say that the 846 is similar to the LCD-X sound signature but both having different textures in bass. Treble and midrange are nothing to write home about but the IEM can be very forgiving. It’s an IEM you would use as a musical pair, doing well with v-shaped oriented genres without being extremely v-shaped. Overall, I think it is picky with sources but it is very fun and engaging.
Recommended genres: Top 40, Pop, EDM, Hip Hop.
UERM
The UERM has bass that’s reminiscent of the HD800 stock. It’s not overpowering yet there is enough of it to accommodate a believable performance in an acoustic setting. As for genres such as EDM, it’s a bit too bass-light. To visualize this, think of listening to EDM for an audience of 1. In terms of midrange and imaging, this is where the UERM truly shines. The UERM has enough air as an IEM and it is detail-oriented in which it’s like the HD800 in IEM form, without the extremely harsh treble issues with stock. I think the UERM can be a bit treble forward though I wouldn’t say that it’s as bright as an HD800 stock with let’s say, a schiit amplifier. My biggest criticism of the UERM is that it can sound thin at times (due to the forward treble), which leads it to be lacking in body that the 846 can give. To add to that, it can be revealing with bad recordings. One can also say it can be shouty at times which is one of my big criticisms for it. Going with this IEM though, you get very good detail retrieval that is ideal for midrange-centric genres.
Recommended genres: Acoustic, Classical, Jazz, Vocal-oriented genres.
Closing thoughts & addendum:
Personal preferences vary from person to person along with the genres that they listen to, so reviewers must try to be objective and detach themselves from these biases to give an unprejudiced review. This can be compensated by assessing a piece of gear with its characteristics while reproducing the same testing procedures for each sample. Some will prefer the ARIA, the SE846, or the UERM with fairly sound reasons. As the ARIA is the subject of this review, I think there is much potential to be had if the midrange was tuned more correctly as it was advertised when it was announced. I would say the Aria is ambitious, as it claims to be an all-around contender at a bargain price (“ARIA is a true flagship at entry level prices.”; verbatim from the website). While there is really no IEM that can do it all, I would disagree on the Aria being the heir to that be-all-end-all throne for now. At its price point, I feel like the asking price is a bit too high with other available options in the market like the ones from Noble, ’64 Audio, or even the Chinese IEM counterparts that are very hard to beat for the money. Nonetheless, I think the Aria has potential to be improved as giving proper tonality and sound signature balance would allow it to be more compatible with other genres to be rightfully lauded as a be-all-end-all IEM.