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  2. /Headphones
  3. /Marshall Monitor III ANC vs Audio-Technica ATH-M40x

Marshall Monitor III ANC vs Audio-Technica ATH-M40x

Verdict

Our overall take, at a glance

Key takeaways

  • Marshall Monitor III ANC leads Audio-Technica ATH-M40x overall by 74 points (98 vs 24 out of 100).
  • Marshall Monitor III ANC stands out on Audio Sensitivity: 117.
Marshall Monitor III ANC leads overall
Marshall Monitor III ANC
98
Audio-Technica ATH-M40x
24
Why it stands out
  • Audio Sensitivity: 117

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.

Audio-Technica ATH-M40x

The Audio-Technica ATH-M40x is an over-ear, dynamic closed-back headphone designed primarily for studio monitoring and audio production. Introduced as part of a remastered M-Series lineup in 2014, it features 40mm drivers with neodymium magnets and copper-clad aluminum voice coils. Operating with a 35-ohm impedance and a frequency response of 15 to 24,000 Hz, it is tuned to provide a flatter, more accurate sound profile with minimal coloration.

Best for audio mixing and studio monitoring requiring accurate, uncolored frequency respoBest for content creation and tracking where a lightweight, closed-back design is preferr
Pros
  • Equipped with two different detachable cables (a 1.2-meter straight and a 3-meter coiled cable) for physical flexibility
  • Tuned for a relatively flat frequency response, helping to deliver accurate and uncolored audio reproduction
  • Weighs 240 grams, presenting a relatively lightweight option for long listening sessions
  • Includes a screw-on 6.5mm adapter to ensure compatibility with professional audio equipment
Cons
  • Includes only a basic soft pouch for storage, offering limited physical protection compared to a hardshell case
Source
  • Audio-Technica - WikipediaProvides historical background on the Audio-Technica brand and details the 2014 launch of the remastered M-Series headphones.
Video — reviews used (3)

Provides precise technical specifications including weight, driver details, impedance, frequency response, and included accessories.

Generated Jun 30, 2026

Value for Money

Which is the better deal for the price

Enter today's price for each product to see which offers better value. Use the same currency for both.

Marshall Monitor III ANC

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Audio-Technica ATH-M40x

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Physical Comparison

Weight, side by side

250 g240 g
Marshall Monitor III ANCAudio-Technica ATH-M40x

Marshall Monitor III ANC is 10 g (4%) heavier than Audio-Technica ATH-M40x.

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Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Audio

Feature
Marshall Monitor III ANC
Audio-Technica ATH-M40x
Driver Type
Dynamic
Dynamic
Driver Size
32 mm
40 mm
Frequency Response
20-20,000 Hz
15 Hz - 24,000 Hz
Impedance
35
35
Sensitivity
117
98

Noise Cancelling

Feature
Marshall Monitor III ANC
Audio-Technica ATH-M40x
Active Noise Cancelling
Yes
No
Transparency Mode
Yes
No

Wireless

Feature
Marshall Monitor III ANC
Audio-Technica ATH-M40x
Wireless
Yes
No
Bluetooth Version
N/A
Supported Codecs
SBC, MPEG-2 AAC
N/A
Multipoint Connection
Yes
No

Battery

Feature
Marshall Monitor III ANC
Audio-Technica ATH-M40x
Battery Life (ANC On)
70 h
N/A
Quick Charge
Yes
No

Comfort & Build

Feature
Marshall Monitor III ANC
Audio-Technica ATH-M40x
Weight
250 g
240 g
Folding Design
Yes
Yes
Water Resistance
N/A
N/A
Dimensions
N/A
N/A

Connectivity

Feature
Marshall Monitor III ANC
Audio-Technica ATH-M40x
Wired Connection
USB-C to 3.5mm
3.5mm + 6.3mm adapter
Detachable Cable
No
Yes
Built-in Microphone
Yes
No

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

LET'S
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