Deliveryabout 1–2 days
Returnsreturns through the seller, at least 14 days by law
Marshall Monitor III ANC
239 €
Amazon.de about 1–2 days returns through the seller, at least 14 days by law
239 € Go to Amazon.de ↗ Before you buy, compare it with 2 recommended alternatives
Beside them, two models on sale today that come closest on score and price, of the same type where we have them.
Green is the best of these 3, also when they share the lead.
| This model Marshall Monitor III ANC | Higher score, 67% cheaper JBL Live 770NC Best on 1 fact | Much better, 9% dearer JBL Tour One M3 Best on 2 facts | |
|---|---|---|---|
| Most important facts | |||
| The lowest price today at a shop that delivers to you, delivery included. A price with an asterisk comes from a shop abroad, and its delivery cost is our own estimate. Lowest price | 239 €Amazon.de | 79 €Amazon.de best | 261 €EURONICS |
| Our own score out of 10: 60% the maker’s facts and 40% shop ratings. Price does not count. Score | best | ||
| The average of the stars buyers give at the shops, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | – | ★ 4.3 · 58 reviews | ★ 4.5 · 33 reviews best |
| How the headphones cancel outside noise with microphones. Hybrid uses microphones outside and inside the cup, adaptive also adjusts to the sound around you. When it matters
When it matters less
Source
| – | Adaptive | Adaptive |
| How long the headphones or the earbuds play on one charge with noise cancelling on, as the maker states it. In this comparisonWhen it matters
When it matters less
Source
| 70 h | 50 h | 40 h |
| What the headphones or one earbud weigh. Lighter is more comfortable for hours at a time. In this comparisonWhen it matters
When it matters less
Source
| 250 g | 256 g | 278 g |
| The Bluetooth version. A newer one connects more steadily and uses less power, if the phone has it too. In this comparisonSource
| 5.3 | 5.3 | 5.3 |
| How the sound is packed for Bluetooth. AAC suits iPhones, aptX and LDAC carry more detail from Android phones that support them. When it matters
When it matters less
Source
| SBC, AAC | – | SBC, AAC, LDAC, LC3 |
| Connected to two devices at once, such as a phone and a laptop, and switching by itself to the one that plays. When it matters
When it matters less
Source
| yes | yes | yes |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Prices per shop
On 1 November 2026 the lowest price for the Marshall Monitor III ANC is 239 € at Amazon.de, delivery to Germany included. In our ranking it is rank 27 of 28 with an over-ear fit, with a score of 8.4 out of 10.
All prices include VAT and delivery to Germany. We may earn a commission when you buy through these links. It never changes our ranking.
252 €
Deliveryabout 1–3 days
Returns14-day returns, at your cost
Colour: black No reviews at this shop yet
To EURONICS 319 €
Deliveryabout 1–3 days
Returns14-day returns, at your cost
Colour: white No reviews at this shop yet
To EURONICS At the same price, a shop in your own country comes first, then a shop selling its own stock before a marketplace seller, then the shorter delivery time, then free returns and the longer return window. Commission never counts.
Price history
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Lowest since 1 Nov239 €
Highest since 1 Nov319 €
Price drops since 1 Nov0no drop seen yet
Marshall Monitor III ANC specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Marshall · on the market since September 2024
Build and fit 9 facts
- Form factor
Source: marshall.com · checked on 1 Nov
How the headphones sit: over the ear, on the ear, in the ear canal, in the outer ear, beside the ear or on the cheekbone.
- Over-ear
- True wireless
96 of the 184 models we track have this.
Source: derived, no source of its own · checked on 1 Nov
Two separate earbuds with no wire between them, charged in a case.
- no
- Wireless
153 of the 184 models we track have this.
Source: marshall.com · checked on 1 Nov
They play over Bluetooth, without a cable to the phone.
- yes
- Wired connection
Source: marshall.com · checked on 1 Nov
The plug for a cable, so you can also listen wired, for instance on a plane or with a battery that has run out.
- USB-C only
- Driver type
Source: marshall.com · checked on 1 Nov
The kind of speaker inside. Dynamic drivers are the most common. Planar and electrostatic ones are mostly found in expensive headphones for home listening.
- Dynamic
- Driver size
Among the models we track
32 mm on this model
Lowest
4.7 mm Highest
56 mm Middle
12 mmHigher than 62 of the 107 models we track.
Source: marshall.com · checked on 1 Nov
The diameter of the speaker inside. A bigger driver does not by itself mean better sound.
- 32 mm
- Foldable
33 of the 33 models we track have this.
Source: marshall.com · checked on 1 Nov
They fold up to take less room in a bag.
- yes
- Weight
Among the models we track
250 g on this model
Lowest
3.1 g Highest
451 g Middle
8.6 gHigher than 113 of the 168 models we track.
When it matters
- Wearing them for hours at a desk or on a flight.
- Running or the gym, where a heavy earbud works loose.
When it matters less
- Short listens, where comfort hardly has time to matter.
Source: marshall.com · checked on 1 Nov
What the headphones or one earbud weigh. Lighter is more comfortable for hours at a time.
- 250 g
- Controls
Source: marshall.com · checked on 1 Nov
How you play, pause and change the volume on the headphones themselves.
- Buttons, Dial
Sound 6 facts
- Lowest frequency
Among the models we track
20 Hz on this model
Lowest
4 Hz Highest
50 Hz Middle
20 HzHigher than 51 of the 104 models we track.
Source: marshall.com · checked on 1 Nov
The lowest tone the maker says they play. It says little about how the bass actually sounds.
- 20 Hz
- Highest frequency
Among the models we track
20,000 Hz on this model
Lowest
16,000 Hz Highest
80,000 Hz Middle
29,000 HzLower than 65 of the 104 models we track.
Source: marshall.com · checked on 1 Nov
The highest tone the maker says they play. Adult hearing stops well below most figures.
- 20,000 Hz
- Impedance
Among the models we track
46 Ω on this model
Lowest
15 Ω Highest
520 Ω Middle
32 ΩHigher than 54 of the 75 models we track.
Source: marshall.com · checked on 1 Nov
The electrical resistance. Wired headphones with a high impedance need an amplifier to play loud enough.
- 46 Ω
- Sensitivity
Among the models we track
91 dB SPL on this model
Lowest
91 dB SPL Highest
122 dB SPL Middle
100 dB SPLLower than 57 of the 58 models we track.
Source: marshall.com · checked on 1 Nov
How loud they play on a given signal. A higher figure plays louder from a weak source, such as a phone.
- 91 dB SPL
- Equaliser in the app
105 of the 106 models we track have this.
Source: marshall.com · checked on 1 Nov
You can adjust bass and treble in the maker’s app.
- yes
- Spatial audio
83 of the 88 models we track have this.
Source: marshall.com · checked on 1 Nov
Sound that seems to come from around you rather than from inside your head.
- yes
Noise cancelling 2 facts
- Transparency mode
109 of the 119 models we track have this.
Source: marshall.com · checked on 1 Nov
Lets outside sound through on purpose, so you hear traffic or a colleague without taking them off.
- yes
- Hearing aid function
Source: marshall.com · checked on 1 Nov
Can work as a hearing aid for mild to moderate hearing loss, where the maker has it approved. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
Wireless 6 facts
- Bluetooth version
Among the models we track
5.3 on this model
Lowest
5 Highest
6.1 Middle
5.3Lower than 43 of the 141 models we track.
Source: marshall.com · checked on 1 Nov
The Bluetooth version. A newer one connects more steadily and uses less power, if the phone has it too.
- 5.3
- Bluetooth codecs
When it matters
- Lossless or high-resolution music from an Android phone that supports aptX or LDAC.
- An iPhone, where AAC is the codec that counts.
When it matters less
- Podcasts, calls and streaming at normal quality.
Source: marshall.com · checked on 1 Nov
How the sound is packed for Bluetooth. AAC suits iPhones, aptX and LDAC carry more detail from Android phones that support them.
- SBC, AAC
- Multipoint
115 of the 117 models we track have this.
When it matters
- Switching between a laptop for calls and a phone for music.
- Working from home with two devices on the desk.
When it matters less
- Using them with one phone only.
Source: marshall.com · checked on 1 Nov
Connected to two devices at once, such as a phone and a laptop, and switching by itself to the one that plays.
- yes
- LE Audio
29 of the 32 models we track have this.
Source: marshall.com · checked on 1 Nov
The newer Bluetooth standard for sound, with the LC3 codec: better sound on less power, with phones that support it.
- yes
- Made for
Source: derived, no source of its own · checked on 1 Nov
Whose phones the headphones are made for. Some features, such as one-tap pairing or spatial audio, work only with that maker’s phones.
- Any phone
- Wireless range
Among the models we track
10 m on this model
Lowest
9 m Highest
40 m Middle
10 mLower than 11 of the 68 models we track.
Source: marshall.com · checked on 1 Nov
How far from the phone the maker says the connection holds, without walls in between.
- 10 m
Battery 7 facts
- Battery life with noise cancelling
Among the models we track
70 h on this model
Lowest
4 h Highest
75 h Middle
8 hHigher than 106 of the 108 models we track.
When it matters
- Long flights or a full working day.
- Travelling where you cannot charge.
When it matters less
- An hour of listening a day, which any model manages for a week.
Source: marshall.com · checked on 1 Nov
How long the headphones or the earbuds play on one charge with noise cancelling on, as the maker states it.
- 70 h
- Battery life without noise cancelling
Among the models we track
100 h on this model
Lowest
5 h Highest
135 h Middle
10 hHigher than 119 of the 123 models we track.
Source: marshall.com · checked on 1 Nov
How long they play on one charge with noise cancelling off.
- 100 h
- Fast charge time
Among the models we track
15 min on this model
Lowest
3 min Highest
20 min Middle
10 minHigher than 104 of the 132 models we track.
Source: marshall.com · checked on 1 Nov
How many minutes of charging give the playback below.
- 15 min
- Playback from a fast charge
Among the models we track
12 h on this model
Lowest
1 h Highest
15 h Middle
3 hHigher than 126 of the 132 models we track.
Source: marshall.com · checked on 1 Nov
How many hours of playback a short fast charge gives.
- 12 h
- Full charge time
Among the models we track
150 min on this model
Lowest
40 min Highest
210 min Middle
120 minHigher than 72 of the 95 models we track.
Source: marshall.com · checked on 1 Nov
How long a full charge takes.
- 150 min
- Wireless charging
55 of the 64 models we track have this.
Source: marshall.com · checked on 1 Nov
The case or the headphones charge on a Qi pad, without a cable.
- no
- Charging port
Source: marshall.com · checked on 1 Nov
The plug the headphones or their case charge through.
- USB-C
In use 2 facts
- Wear detection
Source: marshall.com · checked on 1 Nov
The music pauses when you take them off and plays on when you put them back. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- App
Source: marshall.com · checked on 1 Nov
The name of the maker’s app.
- Marshall Bluetooth
Sources: marshall.com
Our score
Confidence: medium. Fewer than 300 owners’ ratings at the shops. The highest score today is 9.8.
-
Owners’ ratings 40%–
Owners’ ratings, 40%: none yet at the shops that deliver to Germany, so this part is left out and the score is the features part alone.
-
Features 60%8.4
51 of 63 points for the maker’s facts, the other 37 counted at the market’s average share of 89%.
- Price never countsA sale can’t lift a model. Today’s lowest price sits beside the score, checked every morning.
- Too few facts, no rankOnly headphones whose type and enough of whose facts are known are ranked. The rest get a provisional score.
- Reviewers beside, not insideReviewers’ picks are shown next to the score and do not count in it.
Frequently asked questions about the Marshall Monitor III ANC
How do buyers rate the Marshall Monitor III ANC?
Buyers rate the Marshall Monitor III ANC 4.9 out of 5, from 5 reviews at Coolblue (NL). We read the ratings on 1 November 2026.
How long does the battery of the Marshall Monitor III ANC last?
The maker states up to 70 hours of play with noise cancelling on, and 100 hours with it off. A 15-minute charge gives 12 hours of play.
Can the Marshall Monitor III ANC connect to two devices at once?
Yes, it can stay connected to more than one device at a time, such as a phone and a laptop.
Which Bluetooth codecs does the Marshall Monitor III ANC support?
It supports SBC and AAC. Every current phone plays over these codecs.
How much does the Marshall Monitor III ANC weigh?
The Marshall Monitor III ANC weighs 250 g.
