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Master & Dynamic MW07

Rating:
3.5/5,
  1. Zelda
    Review – Master & Dynamic MW07
    Written by Zelda
    Published Jul 31, 2019
    3.5/5,
    Pros - Full, rich sound; powerful bass with smooth midrange and treble.
    Decent soundstage (for TW set).
    Build quality.
    Comfortable design.
    Nice color options available.
    Cons - Sits on a premium price for a (true) wireless set.
    Average battery time per charge.
    Stainless case is large and heavy to carry around; will pick fingertips with ease and prone to scratches.
    Earphones cannot be turned off – only standby mode, will still drain the short battery time.
    Bluetooth limited to 4.2 and AptX.
    Review – Master & Dynamic MW07



    Website - Master & Dynamic


    Specifications


    Price: $299 / €299

    Official MW07 product page








    The MW07 arrives in the usual nice box as the other Master & Dynamic products. Similar to the MW60 but of course in a much more compact size. The accessories set and quality is very good and are well arranged. There is a USB cable of Type-C to Type-C with extra adapter for standard USB (Type-A), five sets of silicone ear tips and two pairs of ‘Fit Wings’, which are basically silicone adapters to give a tighter, more secure fit to the wireless earphones. Also there is a small cloth pouch with a clasping closure, and obviously the charging metal case where the MW07 true-wireless arrive inside. The metal case is made of polished stainless steel of good quality with a mirror like finish; it is on the heavy side and can be prone to scratches easily. The charging connection is fortunately the modern Type-C USB.












    Design

    For the $300 price, the MW07 design and quality are very good for a true wireless earphones’ set. A premium looking and elegant design, made of quality acetate material, handcrafted with a very unique and smooth finish. The outer plates are available in a nice variety of color themes, some more discreet and others more fancy. The inner part is rather compact, and despite the 10mm driver inside and all the wireless tech included, they have a very ergonomic, more rounded shape similar to any standard wired in-ear set. The ear tips are a bit thick but do provide a good seal.


    Weighting around ~9g might sound heavy for TW sets, but nothing out of standard for in-ear models. Moreover, the MW07 actually sit well on the outer ear area and with the Fit Wings the fit is very secure if a bit tight. A smaller size of the ‘wings’ could be included as the already attached medium size can a large for smaller ears, and while can be used with no wings the fit won’t be as secure, especially if going to be worn on the go. Isolation is decent, the fit is neither too shallow nor too deep, so very similar to any common IEM pair.


    There are three physical buttons on the MW07. One multifunctional single button on the right earpiece that works for play and pause, pairing, track skipping, and, if available, for voice assistance. The left side has the other two buttons which are only for volume control. The volume levels are very good, there are no strong jumps from one step to another so the sound can be well adjusted without using the source volume control.


    Battery and Wireless performance

    From a single charge the battery holds around 3 hours of continuous use at moderate listening volume, and the charging carry case can add three extra charges. At 2019 this numbers are the very standard for a true-wireless option, and even more for a $300 one. Charging time, however, is pretty good, both for the earphones and case.


    The MW07 cannot be turned off. Instead, the earphones will enter into standby mode for lower battery consumption. It is not something optimal, considering the average battery time, especially if taking them out for a whole day, and carrying the heavy charging case every time can be a bit annoying. As an extra feature, when either side is taken off, the music will pause automatically and resume when both sides are at a corresponding short distance from each other. Moreover, only the right earpiece can be used alone.

    For the wireless connectivity, the Bluetooth is of 4.2 version and limited to AptX codec. It may sound somehow outdated versus the many true wireless sets that use last BT 5.0, but the wireless quality is very good. Pairing is quick and the connection is solid with no drops or interference so far. Also, the wireless range is wide enough; not sure about the 20m distance, but still better than average. Works very well with the FiiO M6 player which has one of the best Bluetooth connection on portable players, even over more expensive full Android based ones.


    Sound

    The MW07 utilize a Beryllium single dynamic driver of 10mm diameter per side. This is not the first earphone that I tried with a Beryllium driver inside, and also the second M&D product I get to review. The beryllium drivers seem to share similar sonic characteristics with full bass response and overall warm signature with a rich midrange. Even more, the MW07 seem to share a typical tuning of the M&D gears, which at least, was found on the MW06 headphones. Of course, we’re talking about different dynamic drivers in both type and size, but nonetheless the MW07 offer the warm, powerful and rich sound presentation. It is a type of sound that focus more on being musical and enjoyable rather than highlighting the little details, with a smooth and a bit laid-back nature, but then, for a TW set it is not particularly missing on clarity and resolution.


    With a single 10mm dynamic driver the lows are rather powerful and dominant that gives a bit of darker tonality. Not a true bass-head IEM per-se, but plenty in quantity with more enhancement at the mid-bass region over the sub-bass, which may sound limited, though probably due the true-wireless limitations than the beryllium driver type. While the whole bass is forward and thick, it is not too overpowered as to sound muddy or shadow the rest of the sound. It is indeed aggressive, fun and enjoyable with decent layering and separation, at least for what the wireless quality can go; speed is also a bit better than expected. A clear trade for more quantity over total quality and control that suits well the active use than the more technical listening.

    Expectedly, the bass blends into the midrange; mainly on the lower mids and still noticeable at the upper mids. The whole midrange sits a step further at the whole presentation, not too seriously distant as to sound thin or missing. Thanks to the strong low end, the midrange tonality is warm and full, and while overall smooth, there is a bit grain at the upper region. Lower midrange can sound drier next to the upper midrange, either on instruments or vocals; even so, the voices are richer and well-presented despite the less midrange focus.

    In terms of balance, the highs are just a bit more forward than the midrange, but clearly not as present as the lows can be. As such, the treble can give a tad of lively presentation, but not in a v-shaped signature. The gain is more focused at the lower treble region giving more energy and sparkle to instruments and enhancement to female voices. For true wireless set, the detail retrieval is actually very decent, and while limited in extension or not as natural as typical wired will sound, the drop in quality is less noticed thanks to the more laid-back, smoother nature of the MW07. Not meant for picking micro details, but yes to sound fun, musical and enjoyable.


    MW07 VS Zolo Liberty+ ($100~150)

    Next to the MW07, the Zolo Liberty+ set is a more recent true wireless model implementing Bluetooth 5.0 and extra codecs. It also has a higher IPX5 rate over the IPX4 on the MW07. The build quality is tougher on the MW07, while the Zolo is slightly lighter. Fit is tighter on the MW07 with a deeper nozzle length and angle; the Liberty fit is more shallow and the Fit Grip do not fit as natural as the Fit Wings on the MW07. Isolation is almost the same on both sets.


    In terms of sound, these are 10mm beryllium vs. 6mm graphene single dynamic drivers, yet both offering a warmer overall tonality. The Liberty+ offer a more lively v-shaped signature with the extra energy on the treble area sounding brighter over the smoother MW07. There is more bass quantity on the MW07, with a stronger mid-bass lift and impact, whereas the Liberty+ low-end is more even in sub and mid-bass. If the Liberty+ is more aggressive on the highs then the MW07 is on the bass. Midrange is very similar on both sets, being more distant at the overall presentation but still not lacking fullness of notes. The stronger mid-bass emphasis on the MW07 can overshadow more the lower mids; even so, it is still richer and natural in texture, whereas mids on the Liberty+ are a tad drier. The detail level is very similar. The sound stage is a bit wider on the MW07 with more depth, too.

    1. AllenWalker
      They have released new versions which are Go and Plus. Should address many of the disadvantages that exist previously.
      AllenWalker, Nov 6, 2019 at 11:40 PM