Marshall has a long legacy as perhaps the most iconic manufacturer of guitar amplifiers, but in recent years it has also made a strong push into consumer audio as well. The company has released Bluetooth speakers and even Bluetooth earbuds in the past, all with the same classic Marshall design language. That said, one thing that’s been missing from the lineup for a long time was a pair of active noise cancelling (ANC) headphones. That changed with the Monitor II ANC Bluetooth headphones. Marshall closed the gap on the competition and made a pair of ANC cans that fits perfectly in with its design language, so how does it perform?

Editor’s note: This post was updated on September 9, 2021, to match style with SoundGuys’ current standards.

Who is the Marshall Monitor II ANC for?

  • Fans of Marshall design who like the look of its famous amps should find this headset to be right up their alley.
  • Commuters and frequent fliers will appreciate the active noise cancelling. Anyone that finds themselves in noisy environments often will find this headset gets the job done nicely.

How is the Marshall Monitor II ANC headphones built?

Shot of Marshall Monitor II ANC headphones on green couch

The headphones are all-black with just the knob being a gold accent.

If you’re familiar with any of the previous products Marshall has released this should look very familiar. It’s unmistakably a pair of Marshall headphones and looks almost exactly like all of the company’s other products. You get the minimal, all-black colorway complete with a gold accent on the control knob and the white logo on the side of each ear cup. The frame is made of a tough metal that gives the headphones a hefty, reassuring weight. It’s not heavy at 320 grams, but it’s also not nearly as light as something like the Bose QC35 II, which weighs in at 235 grams.

Marshall Monitor II ANC headphones pictured in hand against window sill with plants

The headphones have a nice weight to them, but are still comfortable to wear.

Still, I don’t worry about it potentially cracking in my backpack like I do with the Bose headphones. It is built to inspire confidence, and it does. The headband is wrapped in leather and even the exposed coiled cables are thick and feel tough to the touch. In my two weeks of testing I didn’t exactly baby the headset, and it still looks brand new. Of course, it does come with a pretty nice fabric carrying pouch so if you really want to avoid it getting scratched up at all I’d recommend tossing it in the case before packing it. The plush ear pads are also really comfortable and sat on my ears perfectly with little fatigue. There was some slight pressure on the crown of my head after about two hours of wearing the headphones, but it wasn’t anything that required me to take it off.

Man wearing Marshall Monitor II ANC headphones with desk in background

TheMarshall Monitor II ANC wears comfortably with just the right amount of clamping force.

My experience using the Monitor II ANC headphones in my daily life is on par with some of the best headsets on the market. This pair of headphones is easy to use thanks to fully rotating ear cups and an adjustable headband that combine to make for a great seal. I found that there was also very little sound leakage with the headset. As long as you’re listening at normal human levels you shouldn’t have too many issues rocking it in the office or at home. The playback controls are all found on the golden knob which is surprisingly intuitive and easy to use. At first, I thought that the knob would be a deal breaker for me as I’m so used to just clicking buttons or using a touchpad, but I really enjoyed the tactile feel of the small knob. Clicking it to pause music or moving it around to control playback is just very satisfying.

Marshall Monitor II ANC headphones folded up on the side of a green couch

The headphones have folding hinges which makes them way smaller and easier to pack.

Besides the golden knob, there are only two buttons on the headphones. One of which is labeled “ANC” and, as you’d expect, controls the active noise cancelling. Pressing the button will immediately turn off the noise cancelling and pause your music so that you can hear what’s going on around you. It uses the microphones built into the headphones to pick up and slightly amplify your environment, which is helpful if you need to hear announcements while on planes or public transportation. As someone who relies on the New York City subway system for transportation, this feature is super useful as it allows me to know what new misfortune the MTA has in store for me without needing to remove the headphones. If you’ve used the transparency mode on other pairs of headphones like the Sony WH-1000XM4, Apple AirPods Pro, or the Jabra Elite 75t, then you know how useful a feature this can be.

How is the connection strength?

Connection strength with these headphones is very good overall. Marshall is one of the most prominent manufacturers of audio equipment in the world, so thankfully just because it made a pair of Bluetooth headphones doesn’t mean it got rid of the headphone jack. Besides Bluetooth 5.0, the headset also has a 3.5mm input on the left ear cup which was nice since I still have plenty of devices that aren’t Bluetooth compatible. As far as connection strength goes, I didn’t have any issues with skips or stutters whether I was connected to my phone in my pocket or even to my computer while in another room. The range maxes out at about 10m though so as long as you keep within that range you shouldn’t have too many issues.

Close-up shot of both buttons on the Marshall Monitor II ANC headphones

The buttons are located at the hinges on the ear cups, which is easily accessible while wearing the headphones.

One downside to the Monitor II ANC headphones that’s pretty surprising is the lack of any high quality Bluetooth codecs. It has the standard SBC, and that’s it. So if you were hoping for AAC or aptX you’re out of luck. What this means practically is that you’ll be wasting your time using high-res streaming service like Tidal or Deezer over Bluetooth. If you tend to watch a lot of videos this can also be a problem since there’s a slight lag between a person’s lips and when you hear what they’re saying. It’s very subtle, but it’s there. Some of the other products in the line-up like the Marshall Major III on-ear headphones have aptX compatibility which fixes this issue, so if that’s a must-have for you then that might be something worth looking into. Of course you can always just skip this issue altogether with the wired-only pair of Marshall Major III on-ear headphones as well. But I digress, let’s get back to the Monitor II ANC headphones.

If you want to customize anything about the Marshall II ANC, there’s also an app that you can download to tweak it to your liking. In the app you can control everything from your headphones’ name to your preferred EQ settings. You can also reassign the “M” multifunction button to either access Siri, the Google Assistant, or switch between three EQ presets.

Does the Marshall Monitor II ANC headphones have Bluetooth multipoint?

The Marshall Monitor II ANC headphones does have Bluetooth multipoint. Staying connected to two devices is easy and works more or less as advertised. To pair to a new device you have to:

  1. Power up the headphones by pressing down the gold knob.
  2. Hold it down until you hear the Bluetooth pairing noise.
  3. Go into the settings of your second device and choose “Monitor II ANC” headphones.
  4. The headphones should stay connected to your primary and secondary device now.

I was connected to both my iPhone 11 Pro and my Huawei Matebook X Pro at the same time and the Marshall Monitor II ANC headphones has no problems switching between them depending on which one was playing audio. The process of switching between them isn’t perfect and there is a slight delay in audio, but it still works consistently.

What’s the battery life like?

Close-up shot of 3.5mm input and USB-C charging port of Marshall Monitor II ANC headphones while in hand.

On the left ear cup is where you’ll find the 3.5mm input and the USB-C input for charging.

Marshall claims that the Monitor II ANC headphones will give you up to 30 hours of constant playback wirelessly with active noise cancelling turned on. This turned out to be fairly accurate in our testing. For our battery tests, we make sure to keep the headphones at a constant output of 75dB and then leave music playing constantly on loop until the headphones eventually die. Doing this, we managed to squeeze out 28 hours and 11 minutes. That’s just under the 30 hours that Marshall claims, but still impressive. If you opt to turn off active noise cancelling you can squeeze another 15 hours out of these if you need it. It alsos charge via USB-C which is great.

How does the Monitor II ANC headphones sound?

One of the biggest factors when it comes to how your music is going to sound is how good the headphones are at blocking out noise. Thankfully, the Monitor II ANC is really good at this. While it’s not taking the crown away from the likes of the Sony WH-1000XM4 or the AKG N700NC, it is still really good. It does a good job at blocking out sounds in the higher frequencies, but it’s the slight bump between 100Hz – 1000Hz that you should take notice of. This is where the most disruptive sounds usually are (like the rumble of a jet engine or low humming of a train) so being able to make those sounds less intrusive is a big deal.

Sound quality is also really good, at least to me. I’m not a huge fan of big thumping bass in my headphones, and the Marshall Monitor II ANC headphones toes that line masterfully providing just enough bump to keep me entertained without overdoing it. The bass kicks in the song GOD. by Kendrick Lamar still sounded strong without making the rest of the song dip in volume whenever they hit.

The sound signature of these headphones is not perfect, but if you like subtle bass and are willing to compromise on weak-sounding highs, it sounds pretty good.

The sub-bass that comes into the song at 0:58 is also clearly distinct from the bass kicks and just sounds great. By default, the mids were also nicely emphasized and I had no problem listening to Lost in Yesterday by Tame Impala even with all of the other instrumentation going on around him. On the downside, I found the highs weren’t great and this is reflected in the frequency response graph. They were a little too underemphasized resulting in the rhythmic hi-hats sounding too far away. On the bright side, this was fixed somewhat by switching to a different EQ profile in the app, but for the purposes of the review I left everything on the “Marshall” sound profile which is turned on by default.

Is the microphone any good?

Microphone frequency response of the Marshall Monitor II ANC headphones

If you have a deep voice, the mic is going to cut off a lot of the bass in your voice significantly.

The microphone is not very good. If you happen to have a deep voice the headset’s mic is going to cut off a big portion of the lower notes so that your voice will just sound slightly higher than usual. Sure, this isn’t a big deal if you don’t take calls often but if you do then it’s something you may want to take into consideration.

Marshall Monitor II ANC microphone demo:

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Should you buy the Marshall Monitor II ANC?

Whether or not you should buy the Marshall Monitor II ANC headphones really comes down to how much you like the design. True, it has really good active noise cancelling, but so do some of the other top active noise cancelling headphones. Plus, it will run you around $320, which isn’t cheap enough to really undercut the competition. I’m assuming that if you can spend $320 on a pair of headphones, then you can probably save a bit and spend $30 more and choose from other top options as well.

While it’s good, the Marshall II ANC headphones is lacking some truly premium features that other top headphones have such as support for high quality Bluetooth codecs. And while it does have a great battery life of about 30 hours, it’s not enough to set it apart. Basically, the biggest problem with the Monitor II ANC headphones is that it doesn’t exist in a vacuum.

What the Marshall Monitor II ANC headphones has going for it is its truly superior build and design. Plastic is definitely lighter and easier to wear, but there’s something inspiring about cold metal and leather. The strong active noise cancelling, comfortable ear cups, tough build, gold playback control knob, and the ease of use all make it a really strong contender for the best ANC headphones, assuming you really don’t like the options coming from the likes of Sony or Bose for some reason.

Frequently Asked Questions

These headphones are on sale until April 2021, with a code, for $223. Is that a price that's more in-line with the feature set?

Yes, that price range is similar to that of the Sennheiser PXC 550-II, which are also mid-range active noise cancelling headphones with similar features. The Sennheiser headphones, however, do have slightly more effective ANC, support more Bluetooth codecs, and a more neutral sound signature.

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Marshall Monitor II ANC headphones
7.7