Headphone & Headamp Review

1More Quad Driver In-Ear Headphones: Focus on the music

Having recently reviewed the company’s triple driver earphones, Paul Rigby ramps up the technology to test 1More’s Quad Driver In-Ear Headphones

When I reviewed the triple driver earphones, before I even sound tested the earphones, I reported my glee at the package design which reminded me of Japanese box art. That is, the packaging was precisely measured, cut and fitted within the book-like box. The quad driver packaging is still nice although it doesn’t have quite the aesthetic wonderment and has a slightly more plastic aspect to it. The delicate, arty-like nature is lost. No matter. Inside the box, which retains a magnetic clasp to secure the box cover, you’ll find a tray of eight alternative ear tips plus a 6.35mm headphone convertor plug along with a securing tie pin and a 2-plug airline adaptor. Beneath the ear tip tray is the usual documentation.

Inside the book cover you can still see the retro style pencil art that details the technology of the headphones in a rough sketch manner along with a few words from sound engineer Luca Bignardi.

OK copy

I did remark within the review of the Triple-Driver In-Ear Headphones that the company needs to find a more exciting and memorable name for its kit and this design demands a similar report. Many people who walk into a hifi shop and ask for a pair of 1More Quad Driver In-Ear Headphones will either fall asleep during the sentence, will remember that they have yet to eat lunch and will break off before the name has been fully stated or will forget why the walked into the shop in the first place.


The earphones are far more interesting, though. The large angled chassis hangs off the end of a tangle-free Kevlar cable which features a large inline remote with easy to locate buttons plus phone facilities. The cable terminates with a right-angled 3.5mm jack. A neat and sturdy carry case with a magnetic latch acts as mobile storage.

Screen Shot 2017-06-01 at 15.37.22

The design uses a “diamond-like” carbon dynamic driver and three balanced armatures inside a shaped aluminium chassis. Fit, meanwhile is good and the 1More earphones weigh in at 18.5g.


Firing up the 1More earphones, I noticed that they were slightly harder to drive than my reference earphones so more work was required by my DAC to reach a similar volume.

I began with Bob Marley singing I Shot The Sheriff at 24bit/96kHz via an Astell&Kern AK120 (Red Wine Audio modified) plus ATC HDA-P1 DAC. Before we get to the meat of this track, I wanted to talk about the important instruments that lurk around the edges of the soundstage. The ‘m-chakka-m-chakka’ guitar, piano and electric rhythm guitar hold the key in terms of layering and richness for this track. Get this bit right and you’re almost home.

388A4028 (1) copy

I felt that the 1More had a relatively narrow soundstage but one that still illuminated the instruments. The 1More seemed to prefer to corral the left and right instruments into more of a homogenous grouping to present the music as a ‘whole’. The open and airy nature of the sound did provide an appreciable sense of reverb on that ‘m-chakka’ guitar, giving that instrument a slightly spaced out feeling. The piano, although slightly crowded with the associated instruments in its midst, still offered a sense of clarity and tonal realism that helped enrich the mix.

Onto the central part of the soundstage, Marley’s vocals were both clear and detailed with an exacting delivery that was relaxed and at ease while the dominant bass guitar and percussion offered a welcome focus. This accuracy enabled the track to move at a quicker pace, providing a foot-tapping rhythm to the music. Bass bloom here can mask a lot of important frequencies, the precision of the bass guitar helped to highlight more subtle noises such as the important Hammond organ.

I moved – as it where – down-market and played a MP3 file of Marvin Gaye’s Mercy Mercy Me through my iPhone 6S via the rather nice Cozoy Aegis DAC.

Screen Shot 2017-06-01 at 15.37.07

Of course, the issue with MP3 is the format itself because it strips most of the musical information away to fit into such a small space. Nevertheless, the 1MORE earphones managed to grab hold of the file and stretch it, like a concertina pulling outwards. By doing this, it illuminated a large amount of sounds and instruments which can be hidden by many other earphone designs. This factor plays well with the secondary percussion such as the fragile bells mid-way through the track. Effects such as these provided an enriching aspect to the music while the greater focus helped the backing vocals to remove the usual midrange smearing that can cause brightness during crescendos.


Finally, I attached the earphones to a Chord Mojo DAC and then onwards to my MacBook to play Sonny Rollins’ St. Thomas at 24bit/96kHz via Audirvana+. Here, the 1More earphones showed their precision and focus in terms of the presentation of the Rollins sax. The sax was both clean but also ‘breathy’. You could tell that this instrument was being controlled by a human being and not a machine. The tiny changes in exhalation gave the play texture and emotion while the percussion backed the track with both impact and impressive transient speed. The piano, meanwhile, seemed to be always in control, never did it appear to be unwieldy or flailing.


If I could apply a label to the 1More earphones it would be neat and tidy. Music was always distinct and accurate and never wavered, never smeared or bloomed. That tonal discipline sometimes reigned in a touch of sonic freedom – heard by the squeezing of the soundstage but that aspect never really proved a major problem because the detail and midrange insight always allowed the ear to pick up subtle elements within the mix.

1More Quad Driver In-Ear Headphones

Price: £200

Website: uk.1more.com

GOOD: accurate midrange, focus, characterful bass, transient speed.

BAD: narrow soundstage




Sennheiser IE 60
Astell&Kern AK120 [Red Wine Audio modified]
Chord Mojo DAC
Apple Camera adapter cable
Audirvana Plus music software
MacBook Pro computer
iPhone 6S phone
Benchmark DAC

Harmonic Resolution Systems Noise Reduction Components

You Might Also Like


  • Reply
    10th June 2017 at 2:49 am

    “Of course, the issue with MP3 is the format itself because it strips most of the musical information away to fit into such a small space. ”

    No? Not true at all.

    • Reply
      Paul Rigby
      10th June 2017 at 11:04 am

      Don’t stop there, Matt, tell me more.

  • Reply
    23rd July 2017 at 1:01 pm

    In your review you complained that the 1more quad driver had a narrow soundstage,
    This contrasts with many reviews i have read from reputable sites, which claim that the quad driver has a natural and exemplary soundstage. While I am not questioning your judgment i would like you to clarify “narrow soundstage” and how how it was able to sound “The open and airy nature of the sound” with a narrow soundstage.
    Thanks in advance

    • Reply
      Paul Rigby
      23rd July 2017 at 1:19 pm

      Hi Bryan
      Reviews of hardware kit are all relative and are all based upon that reviewer’s experience which are varied and even, sometimes, conflicting. There is no right and no wrong. There is only opinion – informed opinion yes but opinion nevertheless. When you quote ‘reputable sites’, you have to remember this fact. As reviewers, we are not robots. There is no finite conclusion when reviews are completed and posted. We’ve all listened to different hardware, have different experiences, have different expectations. We also express ourselves differently. This is why I always advise readers to read various reviewers and/or magazines/websites then stick to their favourites, those people who ally themselves closest to their own musical viewpoints and utilise them as a point of reference.
      That being the case, I reviewed the 1More quads right after reviewing that same company’s triple driver earphones. So…same designer, same philosophy, same hardware in many areas. I thought that the triples offered a wider and more expansive soundstage than their own quads. You can read my opinion of the triples-related soundstage here: https://theaudiophileman.com/1more-triple/.
      In comparison to the triples, I thought that the quads changed the direction of what 1more were trying to achieve with sound. The quads, I felt, wanted to give you an enhanced focus and much greater precision. These are all lovely attributes. There’s no negative criticism implied when I say this. The triples offer space, width and expanse while the quads offer accuracy, focus and the like. I backed up this view by also introducing earphones from Sennheiser. They confirmed my opinion. I hope this helps.

      • Reply
        23rd July 2017 at 2:05 pm

        That was prompt. Thanks for the clarification, I just wanted to understand why you said the soundstage is narrow, this is because i priorities an expansive soundstage when buying earphones.
        Do you think that the 1more quads is durable, can it survive a fall.
        P. S comparison to ie80 or 800 is not very fair

        • Reply
          Paul Rigby
          23rd July 2017 at 3:16 pm

          Hi Bryan
          The 1Mores are well made and sturdy designs…of course, you wouldn’t want to play football with them 🙂
          Re. your PS, are you referring to my ‘Sennheiser’ comment? This is a widely misunderstood tool in a reviewer’s armoury – well, in mine, at any rate, maybe other reviewers treat references differently to myself, I’m not sure. When you see a reference list at the base of one of my reviews or mentioned in comments like this, do not see them as a direct comparison. When I review a product, it is not taking part in a group test. I’ve done plenty of those in my time and know the differences 🙂 That is, the new product is not part of a direct ‘face off’ between it and my reference to find an ultimate winner. I use my many years as a music and hi-fi journalist for that. Using a reference as a direct comparison is wholly flawed and if any journalist uses this method then he/she should be read with caution. I use references for other reasons. For earphones, I use a reference to see how it is ‘voiced’, to hear emphasis in frequencies, to see how the style of the sound has been created. It’s used as a form of contrast, I suppose. I know the reference, what it does, how it does it and so on. It’s just a tool to assist me and doesn’t hold any weight in terms of a final rating for the new product.
          Thanks for asking these questions, though. If more people did the same then there would be less misunderstandings and a greater degree of trust between writer and reader. I applaud your diligence.

          • Bryan
            23rd July 2017 at 9:06 pm

            Lol, i won’t be playing football with them any day.

  • Reply
    16th April 2018 at 9:38 am

    These IEM’s are delivered just some time before and was going through your review while hearing the songs for the first time in it. Your words and sentences matched exactly to what i was feeling. Kudos to your heart felt review.

    Before i bought i was under impression that it has wider sound stage by going through the other reviews. But, you were apt in pointing out that it has a narrow sound stage.

    My initial impression didn’t wow’ed me this is my first high budget in ears, May be I need to get used to these.clarity and details coming from normal low prized and out of box in ears and need to allow it to burn in.

    • Reply
      Paul Rigby
      16th April 2018 at 10:15 am

      Hi Krishnan – I can see why you are taking time to adjust to these earphones, they do offer a style and approach of their own.

    Leave a Reply

    By using this website you agree to accept our Privacy Policy and Terms & Conditions

    Pin It on Pinterest

    Share This
    %d bloggers like this: