Review: MH40 Headphones from Master & Dynamic

Review: MH40 Noise Isolating Over Ear Headphones from Master & Dynamic

There are some days where I just love this job. Today is one of those days, as I get to introduce you to a company I haven’t heard of before, Master and Dynamic. They bring with them the MH40 Headphones, these are about as close to upper class as I will ever truly get. At the high end of the spectrum at £319 these are the epitome of class, premium quality from the cable, to the headband. Though I know people think we have to give good reviews, this is never the case, I am always honest and give my personal view of this product, I am totally in love with these headphones. While normally they’d be out of my price range, I found it incredibly hard to find fault with them.


The MH40 headphones are incredibly light, I can hold them in one hand and not notice it at all. This is a good thing, when it comes to them sitting on your head for a long time, and after a while you tend to not really notice them. The headband is shrouded in leather, and this is the kind of leather that smells so good, and is great to feel on your head. The earpads are lambskin leather, with memory foam and is an experience. The leather keeps my ears warm and cosy, while the memory foam contours to my head and ear shape forming a perfect seal.

The outside of the pads are a combination of aluminium and stainless steel, this gives the whole set a almost steampunk look. The little details are where you can appreciate the craft put into these headphones. The adjustable height is a metal pipe, sliding through a tube, with a height indicator etched onto the side. The grill has been marked with the Master and Dynamic logo, with even the screws sporting the logo too. The bottom of each pad sports a 3.5mm port for the detachable cable, so you can have the cable running through one or the other. The right earpad has a red button on, which mutes the headphones. Now this might not seem like a lot, but it clicks! It has a tangible feedback, which is weirdly satisfying.

The detachable cable is braided so it won’t tangle and can put up with a bit of action. There is a mic and a 3-button control set on the cable too, meaning I can make and recieve calls, as well as pausing and skipping music tracks.



A lot of “boutique” headphones, are based on the “All Style No Substance” way of doing things. But Master and Dynamic are bucking that trend with the MH40 headphones are they sound absolutely fantastic!

Techradar said it best with:

The sound signature isn’t warm with humming lows, as one would expect from over-ear headphones, but the performance on the whole is plenty rich. Sound is offered up with an explosive response that I rarely hear in headphones. The bass is present, but timid. The crystal-clear mids and highs are the real focus of the MH40, coming through with vibrant detail.


Stats for nerds:

  • Dimensions – 200mm x 185mm x 50mm
  • Drivers – 45mm Neodymium
  • Impedance – 32 ohms
  • Weight – 360g
  • Materials – Cowhide x lambskin leather, stainless steel, aluminum, detachable woven cable
  • Cable – Detachable, 1.25m Cable with Remote and Mic, 2.00m Standard Cable
  • Headphone Connection – Dual 3.5mm standard jack
  • Ear Coupling – Circumaural
  • Microphone Type – Omni-directional
  • Ear Pads – Detachable lambskin memory foam

For £319 you are buying a set of headphones which will last you 5 years or so. They are durable, look fantastic and sound amazing. They are a pure indulgence and what a great indulgence they are.


  • Such Quality
  • Comftable
  • Sound quality
  • Detachable cable
  • Cowhide Leather


  • Price
  • No hard case


Owner of a rooted One and Nexus 7. Mostly write reviews of apps and any hardware I can get my hands on. I frequent Google+ and XDA-Developers.

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